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250711302272 = 27442572
BaseRepresentation
bin1110100101111110001…
…1101110000010000000
3212222010111112202101212
43221133203232002000
513101424043133042
6311101501145252
724053600623214
oct3513743560200
9788114482355
10250711302272
1197364aa3172
124070a85b228
131a846557802
14c1c508c944
1567c54c0482
hex3a5f8ee080

250711302272 has 24 divisors (see below), whose sum is σ = 499475208285. Its totient is φ = 125352818688.

The previous prime is 250711302227. The next prime is 250711302277. The reversal of 250711302272 is 272203117052.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 180706609216 + 70004693056 = 425096^2 + 264584^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=354056.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250711302277) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5642768 + ... + 5687024.

Almost surely, 2250711302272 is an apocalyptic number.

It is an amenable number.

250711302272 is a deficient number, since it is larger than the sum of its proper divisors (248763906013).

250711302272 is an frugal number, since it uses more digits than its factorization.

250711302272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88528 (or 44259 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

Multiplying 250711302272 by its sum of digits (32), we get a square (8022761672704 = 28324482).

250711302272 divided by its sum of digits (32) gives a square (7834728196 = 885142).

The spelling of 250711302272 in words is "two hundred fifty billion, seven hundred eleven million, three hundred two thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 128 44257 88514 177028 354056 708112 1416224 2832448 5664896 1958682049 3917364098 7834728196 15669456392 31338912784 62677825568 125355651136 250711302272