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123441402100 = 2252191012832273
BaseRepresentation
bin111001011110110101…
…1100101000011110100
3102210121211202221200111
41302331223211003310
54010301444331400
6132412545352404
711626664414452
oct1627553450364
9383554687614
10123441402100
11483954a9495
121bb10338704
13b843177c83
145d9040d9d2
15332718a3ba
hex1cbdae50f4

123441402100 has 144 divisors (see below), whose sum is σ = 285889826880. Its totient is φ = 46130688000.

The previous prime is 123441402067. The next prime is 123441402131. The reversal of 123441402100 is 1204144321.

It is a happy number.

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, 54306564 + ... + 54308836.

It is an arithmetic number, because the mean of its divisors is an integer number (1985346020).

Almost surely, 2123441402100 is an apocalyptic number.

123441402100 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 123441402100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142944913440).

123441402100 is an abundant number, since it is smaller than the sum of its proper divisors (162448424780).

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

123441402100 is a wasteful number, since it uses less digits than its factorization.

123441402100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690 (or 2683 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 123441402100 its reverse (1204144321), we get a palindrome (124645546421).

The spelling of 123441402100 in words is "one hundred twenty-three billion, four hundred forty-one million, four hundred two thousand, one hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 101 190 202 283 380 404 475 505 566 950 1010 1132 1415 1900 1919 2020 2273 2525 2830 3838 4546 5050 5377 5660 7075 7676 9092 9595 10100 10754 11365 14150 19190 21508 22730 26885 28300 28583 38380 43187 45460 47975 53770 56825 57166 86374 95950 107540 113650 114332 134425 142915 172748 191900 215935 227300 229573 268850 285830 431870 459146 537700 543077 571660 643259 714575 863740 918292 1079675 1086154 1147865 1286518 1429150 2159350 2172308 2295730 2573036 2715385 2858300 3216295 4318700 4361887 4591460 5430770 5739325 6432590 8723774 10861540 11478650 12221921 12865180 13576925 16081475 17447548 21809435 22957300 24443842 27153850 32162950 43618870 48887684 54307700 61109605 64325900 64969159 87237740 109047175 122219210 129938318 218094350 244438420 259876636 305548025 324845795 436188700 611096050 649691590 1222192100 1234414021 1299383180 1624228975 2468828042 3248457950 4937656084 6172070105 6496915900 12344140210 24688280420 30860350525 61720701050 123441402100