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2013232312 = 237132765429
BaseRepresentation
bin111011111111111…
…0111110010111000
312012022020210112201
41313333313302320
513110341413222
6531434315544
7100614122650
oct16777676270
95168223481
102013232312
11943465263
12482288bb4
1326112b230
14151541360
15bbb28427
hex77ff7cb8

2013232312 has 32 divisors (see below), whose sum is σ = 4645922400. Its totient is φ = 796443264.

The previous prime is 2013232283. The next prime is 2013232337. The reversal of 2013232312 is 2132323102.

It is a self number, because there is not a number n which added to its sum of digits gives 2013232312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1381987 + ... + 1383442.

It is an arithmetic number, because the mean of its divisors is an integer number (145185075).

Almost surely, 22013232312 is an apocalyptic number.

It is an amenable number.

2013232312 is an abundant number, since it is smaller than the sum of its proper divisors (2632690088).

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

2013232312 is a wasteful number, since it uses less digits than its factorization.

2013232312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765455 (or 2765451 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2013232312 is about 44869.0574003957. The cubic root of 2013232312 is about 1262.6935558158.

Adding to 2013232312 its reverse (2132323102), we get a palindrome (4145555414).

The spelling of 2013232312 in words is "two billion, thirteen million, two hundred thirty-two thousand, three hundred twelve".

Divisors: 1 2 4 7 8 13 14 26 28 52 56 91 104 182 364 728 2765429 5530858 11061716 19358003 22123432 35950577 38716006 71901154 77432012 143802308 154864024 251654039 287604616 503308078 1006616156 2013232312