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1244500423100 = 22521143912971987
BaseRepresentation
bin10010000111000010000…
…000010111000110111100
311101222021101002211100222
4102013002000113012330
5130342214102014400
62351414323040512
7155624611025624
oct22070200270674
94358241084328
101244500423100
1143a876054670
12181238810138
1390481b614cc
144433c6b1884
152258b846185
hex121c20171bc

1244500423100 has 144 divisors (see below), whose sum is σ = 2956546602240. Its totient is φ = 450939571200.

The previous prime is 1244500423051. The next prime is 1244500423163. The reversal of 1244500423100 is 13240054421.

It is a super-2 number, since 2×12445004231002 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1244500423100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 626320307 + ... + 626322293.

Almost surely, 21244500423100 is an apocalyptic number.

1244500423100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1244500423100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1478273301120).

1244500423100 is an abundant number, since it is smaller than the sum of its proper divisors (1712046179140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1244500423100 is a wasteful number, since it uses less digits than its factorization.

1244500423100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3748 (or 3741 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 1244500423100 its reverse (13240054421), we get a palindrome (1257740477521).

The spelling of 1244500423100 in words is "one trillion, two hundred forty-four billion, five hundred million, four hundred twenty-three thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 439 550 878 1100 1297 1756 1987 2195 2594 3974 4390 4829 5188 6485 7948 8780 9658 9935 10975 12970 14267 19316 19870 21857 21950 24145 25940 28534 32425 39740 43714 43900 48290 49675 57068 64850 71335 87428 96580 99350 109285 120725 129700 142670 198700 218570 241450 285340 356675 437140 482900 546425 569383 713350 872293 1092850 1138766 1426700 1744586 2185700 2277532 2577139 2846915 3489172 4361465 5154278 5693830 6263213 8722930 9595223 10308556 11387660 12526426 12885695 14234575 17445860 19190446 21807325 25052852 25771390 28348529 28469150 31316065 38380892 43614650 47976115 51542780 56697058 56938300 62632130 64428475 87229300 95952230 113394116 125264260 128856950 141742645 156580325 191904460 239880575 257713900 283485290 313160650 479761150 566970580 626321300 708713225 959522300 1131364021 1417426450 2262728042 2834852900 4525456084 5656820105 11313640210 12445004231 22627280420 24890008462 28284100525 49780016924 56568201050 62225021155 113136402100 124450042310 248900084620 311125105775 622250211550 1244500423100