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2131662210 = 23571055407
BaseRepresentation
bin111111100001110…
…1001010110000010
312111120002122211020
41333003221112002
513331201142320
6551304530310
7103552554426
oct17703512602
95446078736
102131662210
119a42a4407
124b5a80996
1327c8255b2
1416316cb86
15c721d940
hex7f0e9582

2131662210 has 16 divisors (see below), whose sum is σ = 5115989376. Its totient is φ = 568443248.

The previous prime is 2131662199. The next prime is 2131662233. The reversal of 2131662210 is 122661312.

2131662210 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 35527674 + ... + 35527733.

It is an arithmetic number, because the mean of its divisors is an integer number (319749336).

Almost surely, 22131662210 is an apocalyptic number.

2131662210 is an abundant number, since it is smaller than the sum of its proper divisors (2984327166).

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

2131662210 is a wasteful number, since it uses less digits than its factorization.

2131662210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71055417.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2131662210 is about 46169.9275503005. The cubic root of 2131662210 is about 1286.9829558668.

The spelling of 2131662210 in words is "two billion, one hundred thirty-one million, six hundred sixty-two thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 71055407 142110814 213166221 355277035 426332442 710554070 1065831105 2131662210