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103112100112 = 247920643751
BaseRepresentation
bin110000000000111110…
…1011100100100010000
3100212011001121102000211
41200001331130210100
53142133144200422
6115211414053504
710310133250450
oct1400175344420
9325131542024
10103112100112
113a803101a6a
1217b9804a294
1399534b31b8
144dc24c7d60
152a37573577
hex1801f5c910

103112100112 has 20 divisors (see below), whose sum is σ = 228319650496. Its totient is φ = 44190900000.

The previous prime is 103112100107. The next prime is 103112100127. The reversal of 103112100112 is 211001211301.

It is a happy number.

It is a super-2 number, since 2×1031121001122 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103112100092 and 103112100101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460321764 + ... + 460321987.

Almost surely, 2103112100112 is an apocalyptic number.

It is an amenable number.

103112100112 is an abundant number, since it is smaller than the sum of its proper divisors (125207550384).

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

103112100112 is an equidigital number, since it uses as much as digits as its factorization.

103112100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920643766 (or 920643760 counting only the distinct ones).

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

Adding to 103112100112 its reverse (211001211301), we get a palindrome (314113311413).

The spelling of 103112100112 in words is "one hundred three billion, one hundred twelve million, one hundred thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 56 112 920643751 1841287502 3682575004 6444506257 7365150008 12889012514 14730300016 25778025028 51556050056 103112100112