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2120302010100 = 2235264710923761
BaseRepresentation
bin11110110110101011110…
…110010001111011110100
321111200212111022011102210
4132312223312101323310
5234214334303310400
64302015302333420
7306121026501261
oct36665366217364
97450774264383
102120302010100
1174824023262a
122a2b18a2a270
13124c361a1431
14748a1d70268
153a24973c950
hex1edabd91ef4

2120302010100 has 72 divisors (see below), whose sum is σ = 6144222869568. Its totient is φ = 564539916800.

The previous prime is 2120302010083. The next prime is 2120302010107. The reversal of 2120302010100 is 10102030212.

It is a super-2 number, since 2×21203020101002 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120302010107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5267781 + ... + 5655980.

It is an arithmetic number, because the mean of its divisors is an integer number (85336428744).

Almost surely, 22120302010100 is an apocalyptic number.

2120302010100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120302010100 is an abundant number, since it is smaller than the sum of its proper divisors (4023920859468).

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

2120302010100 is a wasteful number, since it uses less digits than its factorization.

2120302010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10924425 (or 10924418 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 2120302010100 its reverse (10102030212), we get a palindrome (2130404040312).

The spelling of 2120302010100 in words is "two trillion, one hundred twenty billion, three hundred two million, ten thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 647 1294 1941 2588 3235 3882 6470 7764 9705 12940 16175 19410 32350 38820 48525 64700 97050 194100 10923761 21847522 32771283 43695044 54618805 65542566 109237610 131085132 163856415 218475220 273094025 327712830 546188050 655425660 819282075 1092376100 1638564150 3277128300 7067673367 14135346734 21203020101 28270693468 35338366835 42406040202 70676733670 84812080404 106015100505 141353467340 176691834175 212030201010 353383668350 424060402020 530075502525 706767336700 1060151005050 2120302010100