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211012012112 = 24117915176353
BaseRepresentation
bin1100010010000101001…
…0111100100001010000
3202011122210022212020212
43010201102330201100
511424123033341422
6240534303423252
721150034336406
oct3044122744120
9664583285225
10211012012112
1181542863960
1234a8b5b4b28
1316b8a891185
14a2da7db476
1557500d79e2
hex31214bc850

211012012112 has 40 divisors (see below), whose sum is σ = 451648295040. Its totient is φ = 94700436480.

The previous prime is 211012012111. The next prime is 211012012147. The reversal of 211012012112 is 211210210112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211012012111) 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, 7574273 + ... + 7602080.

It is an arithmetic number, because the mean of its divisors is an integer number (11291207376).

Almost surely, 2211012012112 is an apocalyptic number.

211012012112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211012012112 is an abundant number, since it is smaller than the sum of its proper divisors (240636282928).

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

211012012112 is a wasteful number, since it uses less digits than its factorization.

211012012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15176451 (or 15176445 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211012012112 its reverse (211210210112), we get a palindrome (422222222224).

The spelling of 211012012112 in words is "two hundred eleven billion, twelve million, twelve thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 22 44 79 88 158 176 316 632 869 1264 1738 3476 6952 13904 15176353 30352706 60705412 121410824 166939883 242821648 333879766 667759532 1198931887 1335519064 2397863774 2671038128 4795727548 9591455096 13188250757 19182910192 26376501514 52753003028 105506006056 211012012112