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10101002112 = 27328768231
BaseRepresentation
bin10010110100001000…
…10000111110000000
3222001221211001222100
421122010100332000
5131141324031422
64350151310400
7505212046515
oct113204207600
928057731870
1010101002112
114313830433
121b5a97b400
13c4c8c2136
146bb73530c
153e1bae7ac
hex25a110f80

10101002112 has 48 divisors (see below), whose sum is σ = 29066689080. Its totient is φ = 3367000320.

The previous prime is 10101002083. The next prime is 10101002113. The reversal of 10101002112 is 21120010101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10101002094 and 10101002103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101002113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4382964 + ... + 4385267.

Almost surely, 210101002112 is an apocalyptic number.

10101002112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10101002112 is an abundant number, since it is smaller than the sum of its proper divisors (18965686968).

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

10101002112 is an equidigital number, since it uses as much as digits as its factorization.

10101002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8768251 (or 8768236 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10101002112 its reverse (21120010101), we get a palindrome (31221012213).

The spelling of 10101002112 in words is "ten billion, one hundred one million, two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 288 384 576 1152 8768231 17536462 26304693 35072924 52609386 70145848 78914079 105218772 140291696 157828158 210437544 280583392 315656316 420875088 561166784 631312632 841750176 1122333568 1262625264 1683500352 2525250528 3367000704 5050501056 10101002112