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2112208929 = 321912352099
BaseRepresentation
bin111110111100101…
…1100000000100001
312110012111022221100
41331321130000201
513311211141204
6545331545013
7103225323345
oct17571340041
95405438840
102112208929
11994317916
124ab45b169
132787a3c8c
14160747625
15c5679a39
hex7de5c021

2112208929 has 12 divisors (see below), whose sum is σ = 3211546000. Its totient is φ = 1334026584.

The previous prime is 2112208921. The next prime is 2112208957. The reversal of 2112208929 is 9298022112.

It is not a de Polignac number, because 2112208929 - 23 = 2112208921 is a prime.

It is a super-2 number, since 2×21122089292 = 8922853119494654082, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2112208893 and 2112208902.

It is not an unprimeable number, because it can be changed into a prime (2112208921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6175879 + ... + 6176220.

Almost surely, 22112208929 is an apocalyptic number.

It is an amenable number.

2112208929 is a deficient number, since it is larger than the sum of its proper divisors (1099337071).

2112208929 is a wasteful number, since it uses less digits than its factorization.

2112208929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12352124 (or 12352121 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 2112208929 is about 45958.7742330015. The cubic root of 2112208929 is about 1283.0560378596.

The spelling of 2112208929 in words is "two billion, one hundred twelve million, two hundred eight thousand, nine hundred twenty-nine".

Divisors: 1 3 9 19 57 171 12352099 37056297 111168891 234689881 704069643 2112208929