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390053005072 = 24174177343313
BaseRepresentation
bin1011010110100001111…
…10001000011100010000
31101021210110112200011021
411223100332020130100
522342312032130242
6455104325325224
740115606560543
oct5532076103420
91337713480137
10390053005072
11140469830935
1263717b66814
132aa2191c023
1414c430ba85a
15a22d50ab67
hex5ad0f88710

390053005072 has 40 divisors (see below), whose sum is σ = 800376167736. Its totient is φ = 183509876736.

The previous prime is 390053005049. The next prime is 390053005129. The reversal of 390053005072 is 270500350093.

It can be written as a sum of positive squares in 4 ways, for example, as 264541520896 + 125511484176 = 514336^2 + 354276^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 964488 + ... + 1307800.

Almost surely, 2390053005072 is an apocalyptic number.

It is an amenable number.

390053005072 is an abundant number, since it is smaller than the sum of its proper divisors (410323162664).

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

390053005072 is a wasteful number, since it uses less digits than its factorization.

390053005072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347515 (or 347509 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 34.

The spelling of 390053005072 in words is "three hundred ninety billion, fifty-three million, five thousand, seventy-two".

Divisors: 1 2 4 8 16 17 34 68 136 272 4177 8354 16708 33416 66832 71009 142018 284036 343313 568072 686626 1136144 1373252 2746504 5493008 5836321 11672642 23345284 46690568 93381136 1434018401 2868036802 5736073604 11472147208 22944294416 24378312817 48756625634 97513251268 195026502536 390053005072