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2573642872 = 2319103164387
BaseRepresentation
bin1001100101100110…
…1010110001111000
320122100202121022101
42121121222301320
520232323032442
61103214033144
7120530413663
oct23131526170
96570677271
102573642872
111100832a89
125b9aa87b4
13320275108
141a5b406da
15100e25cb7
hex9966ac78

2573642872 has 32 divisors (see below), whose sum is σ = 5128905600. Its totient is φ = 1207250784.

The previous prime is 2573642843. The next prime is 2573642881. The reversal of 2573642872 is 2782463752.

2573642872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×25736428723 (a number of 29 digits) contains 333 as substring.

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, 66538 + ... + 97849.

It is an arithmetic number, because the mean of its divisors is an integer number (160278300).

Almost surely, 22573642872 is an apocalyptic number.

It is an amenable number.

2573642872 is a deficient number, since it is larger than the sum of its proper divisors (2555262728).

2573642872 is a wasteful number, since it uses less digits than its factorization.

2573642872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164515 (or 164511 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 46.

The square root of 2573642872 is about 50731.0838835521. The cubic root of 2573642872 is about 1370.4065555972.

The spelling of 2573642872 in words is "two billion, five hundred seventy-three million, six hundred forty-two thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 19 38 76 103 152 206 412 824 1957 3914 7828 15656 164387 328774 657548 1315096 3123353 6246706 12493412 16931861 24986824 33863722 67727444 135454888 321705359 643410718 1286821436 2573642872