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912011102231 = 4331676697051
BaseRepresentation
bin11010100010110000001…
…10010000100000010111
310020012001121210021222112
431101120012100200113
5104420244320232411
61534545551021235
7122614325314205
oct15213006204027
93205047707875
10912011102231
11321866544769
1212890680a81b
136800500a0a8
14321da694075
1518acbc41b8b
hexd458190817

912011102231 has 8 divisors (see below), whose sum is σ = 933515472384. Its totient is φ = 890520132600.

The previous prime is 912011102221. The next prime is 912011102273. The reversal of 912011102231 is 132201110219.

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 912011102231 - 214 = 912011085847 is a prime.

It is a super-2 number, since 2×9120111022312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 912011102197 and 912011102206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (912011102221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3212345 + ... + 3484706.

It is an arithmetic number, because the mean of its divisors is an integer number (116689434048).

Almost surely, 2912011102231 is an apocalyptic number.

912011102231 is a deficient number, since it is larger than the sum of its proper divisors (21504370153).

912011102231 is a wasteful number, since it uses less digits than its factorization.

912011102231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6700261.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 912011102231 in words is "nine hundred twelve billion, eleven million, one hundred two thousand, two hundred thirty-one".

Divisors: 1 43 3167 136181 6697051 287973193 21209560517 912011102231