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11312102112 = 253117834397
BaseRepresentation
bin10101000100100000…
…01111101011100000
31002012100201022211220
422202100033223200
5141131344231422
65110253335040
7550216165353
oct124220175340
932170638756
1011312102112
114885428823
122238497480
1310b37a1a5c
1479451429a
1546318de5c
hex2a240fae0

11312102112 has 24 divisors (see below), whose sum is σ = 29694268296. Its totient is φ = 3770700672.

The previous prime is 11312102099. The next prime is 11312102173. The reversal of 11312102112 is 21120121311.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 11312102091 and 11312102100.

It is a congruent number.

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, 58917103 + ... + 58917294.

It is an arithmetic number, because the mean of its divisors is an integer number (1237261179).

Almost surely, 211312102112 is an apocalyptic number.

11312102112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11312102112 is an abundant number, since it is smaller than the sum of its proper divisors (18382166184).

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

11312102112 is a wasteful number, since it uses less digits than its factorization.

11312102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117834410 (or 117834402 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11312102112 its reverse (21120121311), we get a palindrome (32432223423).

The spelling of 11312102112 in words is "eleven billion, three hundred twelve million, one hundred two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 117834397 235668794 353503191 471337588 707006382 942675176 1414012764 1885350352 2828025528 3770700704 5656051056 11312102112