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2137544120 = 23568378241
BaseRepresentation
bin111111101101000…
…0101010110111000
312111222011111021202
41333122011112320
513334202402440
6552034553332
7103653553025
oct17732052670
95458144252
102137544120
119a7651598
124b7a38848
13280b0490a
14163c6054c
15c79d1615
hex7f6855b8

2137544120 has 32 divisors (see below), whose sum is σ = 4816577520. Its totient is φ = 853754880.

The previous prime is 2137544117. The next prime is 2137544141. The reversal of 2137544120 is 214457312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11801 + ... + 66440.

Almost surely, 22137544120 is an apocalyptic number.

2137544120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2137544120 is an abundant number, since it is smaller than the sum of its proper divisors (2679033400).

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

2137544120 is a wasteful number, since it uses less digits than its factorization.

2137544120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78935 (or 78931 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 2137544120 is about 46233.5821670785. The cubic root of 2137544120 is about 1288.1655957117.

The spelling of 2137544120 in words is "two billion, one hundred thirty-seven million, five hundred forty-four thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 683 1366 2732 3415 5464 6830 13660 27320 78241 156482 312964 391205 625928 782410 1564820 3129640 53438603 106877206 213754412 267193015 427508824 534386030 1068772060 2137544120