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2108313456 = 243291514593
BaseRepresentation
bin111110110101010…
…0100111101110000
312102221011102100120
41331222210331300
513304212012311
6545112250240
7103150240314
oct17552447560
95387142316
102108313456
119920a7117
124aa0a0980
13277a3bb72
14160011b44
15c515a706
hex7daa4f70

2108313456 has 40 divisors (see below), whose sum is σ = 5634289680. Its totient is φ = 678537216.

The previous prime is 2108313443. The next prime is 2108313457. The reversal of 2108313456 is 6543138012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108313457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 755905 + ... + 758688.

It is an arithmetic number, because the mean of its divisors is an integer number (140857242).

Almost surely, 22108313456 is an apocalyptic number.

It is an amenable number.

2108313456 is an abundant number, since it is smaller than the sum of its proper divisors (3525976224).

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

2108313456 is a wasteful number, since it uses less digits than its factorization.

2108313456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514633 (or 1514627 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 2108313456 is about 45916.3745955623. The cubic root of 2108313456 is about 1282.2667873504.

The spelling of 2108313456 in words is "two billion, one hundred eight million, three hundred thirteen thousand, four hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 29 48 58 87 116 174 232 348 464 696 1392 1514593 3029186 4543779 6058372 9087558 12116744 18175116 24233488 36350232 43923197 72700464 87846394 131769591 175692788 263539182 351385576 527078364 702771152 1054156728 2108313456