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2681572164740 = 225741467172851
BaseRepresentation
bin100111000001011010001…
…010000000010010000100
3100111100121101010020000222
4213001122022000102010
5322413324433232430
65411521445523512
7364510600213250
oct47013212002204
910440541106028
102681572164740
11944280640067
12373859113598
13165b42c64881
1493b085d9260
1549b4936a9e5
hex2705a280484

2681572164740 has 48 divisors (see below), whose sum is σ = 6592743287424. Its totient is φ = 896971872000.

The previous prime is 2681572164679. The next prime is 2681572164823. The reversal of 2681572164740 is 474612751862.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233580686 + ... + 233592165.

It is an arithmetic number, because the mean of its divisors is an integer number (137348818488).

Almost surely, 22681572164740 is an apocalyptic number.

2681572164740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2681572164740 is an abundant number, since it is smaller than the sum of its proper divisors (3911171122684).

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

2681572164740 is a wasteful number, since it uses less digits than its factorization.

2681572164740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467172908 (or 467172906 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 2681572164740 in words is "two trillion, six hundred eighty-one billion, five hundred seventy-two million, one hundred sixty-four thousand, seven hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 41 70 82 140 164 205 287 410 574 820 1148 1435 2870 5740 467172851 934345702 1868691404 2335864255 3270209957 4671728510 6540419914 9343457020 13080839828 16351049785 19154086891 32702099570 38308173782 65404199140 76616347564 95770434455 134078608237 191540868910 268157216474 383081737820 536314432948 670393041185 1340786082370 2681572164740