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253252144260 = 223251993705949
BaseRepresentation
bin1110101111011100000…
…0010000110010000100
3220012200120120220100200
43223313000100302010
513122130022104020
6312201544210500
724203552464623
oct3536700206204
9805616526320
10253252144260
1198449262385
12410b9769a30
131ab5ca86acb
14c3866d16ba
1568c35b7590
hex3af7010c84

253252144260 has 72 divisors (see below), whose sum is σ = 768584707800. Its totient is φ = 67499923968.

The previous prime is 253252144213. The next prime is 253252144261. The reversal of 253252144260 is 62441252352.

253252144260 is a `hidden beast` number, since 2 + 5 + 3 + 252 + 144 + 260 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8773319556 + 244478824704 = 93666^2 + 494448^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (253252144261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5766 + ... + 711714.

Almost surely, 2253252144260 is an apocalyptic number.

253252144260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253252144260 is an abundant number, since it is smaller than the sum of its proper divisors (515332563540).

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

253252144260 is a wasteful number, since it uses less digits than its factorization.

253252144260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707957 (or 707952 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 253252144260 in words is "two hundred fifty-three billion, two hundred fifty-two million, one hundred forty-four thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 1993 3986 5979 7972 9965 11958 17937 19930 23916 29895 35874 39860 59790 71748 89685 119580 179370 358740 705949 1411898 2117847 2823796 3529745 4235694 6353541 7059490 8471388 10589235 12707082 14118980 21178470 25414164 31767705 42356940 63535410 127070820 1406956357 2813912714 4220869071 5627825428 7034781785 8441738142 12662607213 14069563570 16883476284 21104345355 25325214426 28139127140 42208690710 50650428852 63313036065 84417381420 126626072130 253252144260