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102100022112 = 25311472057141
BaseRepresentation
bin101111100010110100…
…0101011001101100000
3100202112112012112000110
41133011220223031200
53133100101201422
6114523141451320
710243063603644
oct1370550531540
9322475175013
10102100022112
113a333889870
1217955110b40
13982190768a
144d27d14c24
1529c87a860c
hex17c5a2b360

102100022112 has 96 divisors (see below), whose sum is σ = 298598275584. Its totient is φ = 30281100800.

The previous prime is 102100022111. The next prime is 102100022119. The reversal of 102100022112 is 211220001201.

It is a tau number, because it is divible by the number of its divisors (96).

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 (102100022111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 978939 + ... + 1078202.

It is an arithmetic number, because the mean of its divisors is an integer number (3110398704).

Almost surely, 2102100022112 is an apocalyptic number.

102100022112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102100022112 is an abundant number, since it is smaller than the sum of its proper divisors (196498253472).

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

102100022112 is a wasteful number, since it uses less digits than its factorization.

102100022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057212 (or 2057204 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102100022112 its reverse (211220001201), we get a palindrome (313320023313).

The spelling of 102100022112 in words is "one hundred two billion, one hundred million, twenty-two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 47 48 66 88 94 96 132 141 176 188 264 282 352 376 517 528 564 752 1034 1056 1128 1504 1551 2068 2256 3102 4136 4512 6204 8272 12408 16544 24816 49632 2057141 4114282 6171423 8228564 12342846 16457128 22628551 24685692 32914256 45257102 49371384 65828512 67885653 90514204 96685627 98742768 135771306 181028408 193371254 197485536 271542612 290056881 362056816 386742508 543085224 580113762 724113632 773485016 1063541897 1086170448 1160227524 1546970032 2127083794 2172340896 2320455048 3093940064 3190625691 4254167588 4640910096 6381251382 8508335176 9281820192 12762502764 17016670352 25525005528 34033340704 51050011056 102100022112