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2112031992 = 233717739507
BaseRepresentation
bin111110111100011…
…0000110011111000
312110012011100020010
41331320300303320
513311140010432
6545324101520
7103223655450
oct17570606370
95405140203
102112031992
11994206994
124ab3948a0
13278741595
141606dcd60
15c56423cc
hex7de30cf8

2112031992 has 64 divisors (see below), whose sum is σ = 6389349120. Its totient is φ = 567940608.

The previous prime is 2112031967. The next prime is 2112031993. The reversal of 2112031992 is 2991302112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112031993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366898 + ... + 372609.

It is an arithmetic number, because the mean of its divisors is an integer number (99833580).

Almost surely, 22112031992 is an apocalyptic number.

It is an amenable number.

2112031992 is an abundant number, since it is smaller than the sum of its proper divisors (4277317128).

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

2112031992 is a wasteful number, since it uses less digits than its factorization.

2112031992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739540 (or 739536 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 2112031992 is about 45956.8492392592. The cubic root of 2112031992 is about 1283.0202102130.

The spelling of 2112031992 in words is "two billion, one hundred twelve million, thirty-one thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 12 14 17 21 24 28 34 42 51 56 68 84 102 119 136 168 204 238 357 408 476 714 952 1428 2856 739507 1479014 2218521 2958028 4437042 5176549 5916056 8874084 10353098 12571619 15529647 17748168 20706196 25143238 31059294 37714857 41412392 50286476 62118588 75429714 88001333 100572952 124237176 150859428 176002666 264003999 301718856 352005332 528007998 704010664 1056015996 2112031992