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101031210112 = 277112758047
BaseRepresentation
bin101111000010111101…
…1011110110010000000
3100122210001001020120211
41132011323132302000
53123402442210422
6114225121243504
710204435054660
oct1360573366200
9318701036524
10101031210112
1139935536568
12176b7193594
1396b1356641
144c65db41a0
152964a33577
hex1785edec80

101031210112 has 32 divisors (see below), whose sum is σ = 230026417920. Its totient is φ = 43299089664.

The previous prime is 101031210089. The next prime is 101031210127. The reversal of 101031210112 is 211012130101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 101031210092 and 101031210101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56378128 + ... + 56379919.

It is an arithmetic number, because the mean of its divisors is an integer number (7188325560).

Almost surely, 2101031210112 is an apocalyptic number.

It is an amenable number.

101031210112 is an abundant number, since it is smaller than the sum of its proper divisors (128995207808).

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

101031210112 is an equidigital number, since it uses as much as digits as its factorization.

101031210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112758068 (or 112758056 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 101031210112 its reverse (211012130101), we get a palindrome (312043340213).

The spelling of 101031210112 in words is "one hundred one billion, thirty-one million, two hundred ten thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 112758047 225516094 451032188 789306329 902064376 1578612658 1804128752 3157225316 3608257504 6314450632 7216515008 12628901264 14433030016 25257802528 50515605056 101031210112