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3131485824 = 27337220403
BaseRepresentation
bin1011101010100110…
…1010111010000000
322002020102221222110
42322221222322000
522403130021244
61234422335320
7140413122165
oct27251527200
98066387873
103131485824
111367707715
1273488a540
133aba003bc
14219c7206c
15134db79b9
hexbaa6ae80

3131485824 has 64 divisors (see below), whose sum is σ = 8542859040. Its totient is φ = 1015612416.

The previous prime is 3131485783. The next prime is 3131485837. The reversal of 3131485824 is 4285841313.

It is a tau number, because it is divible by the number of its divisors (64).

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, 95994 + ... + 124409.

Almost surely, 23131485824 is an apocalyptic number.

It is an amenable number.

3131485824 is an abundant number, since it is smaller than the sum of its proper divisors (5411373216).

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

3131485824 is a wasteful number, since it uses less digits than its factorization.

3131485824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220457 (or 220445 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 3131485824 is about 55959.6803421892. The cubic root of 3131485824 is about 1463.0196189396.

The spelling of 3131485824 in words is "three billion, one hundred thirty-one million, four hundred eighty-five thousand, eight hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 37 48 64 74 96 111 128 148 192 222 296 384 444 592 888 1184 1776 2368 3552 4736 7104 14208 220403 440806 661209 881612 1322418 1763224 2644836 3526448 5289672 7052896 8154911 10579344 14105792 16309822 21158688 24464733 28211584 32619644 42317376 48929466 65239288 84634752 97858932 130478576 195717864 260957152 391435728 521914304 782871456 1043828608 1565742912 3131485824