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912112112155 = 5434242381917
BaseRepresentation
bin11010100010111100001…
…11100101001000011011
310020012022122212010112211
431101132013211020123
5104421001200042110
61535004000015551
7122616663013606
oct15213607451033
93205278763484
10912112112155
11321908565a42
121289346015b7
136801cc1548a
1432209c6933d
1518ad5a4598a
hexd45e1e521b

912112112155 has 8 divisors (see below), whose sum is σ = 1119988826352. Its totient is φ = 712720161888.

The previous prime is 912112112117. The next prime is 912112112167. The reversal of 912112112155 is 551211211219.

912112112155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 912112112155 - 213 = 912112103963 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2121190744 + ... + 2121191173.

It is an arithmetic number, because the mean of its divisors is an integer number (139998603294).

Almost surely, 2912112112155 is an apocalyptic number.

912112112155 is a deficient number, since it is larger than the sum of its proper divisors (207876714197).

912112112155 is a wasteful number, since it uses less digits than its factorization.

912112112155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4242381965.

The product of its digits is 1800, while the sum is 31.

The spelling of 912112112155 in words is "nine hundred twelve billion, one hundred twelve million, one hundred twelve thousand, one hundred fifty-five".

Divisors: 1 5 43 215 4242381917 21211909585 182422422431 912112112155