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381690585296 = 2423855661581
BaseRepresentation
bin1011000110111101000…
…10000010000011010000
31100111012200011201210022
411203132202002003100
522223200242212141
6451202441523012
736401435305136
oct5433642020320
91314180151708
10381690585296
11137968426109
1261b834a3468
1329cbb294947
141468c631756
159dde2c1b4b
hex58de8820d0

381690585296 has 10 divisors (see below), whose sum is σ = 739525509042. Its totient is φ = 190845292640.

The previous prime is 381690585281. The next prime is 381690585319. The reversal of 381690585296 is 692585096183.

It can be written as a sum of positive squares in only one way, i.e., 355530757696 + 26159827600 = 596264^2 + 161740^2 .

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11927830775 + ... + 11927830806.

Almost surely, 2381690585296 is an apocalyptic number.

It is an amenable number.

381690585296 is a deficient number, since it is larger than the sum of its proper divisors (357834923746).

381690585296 is a wasteful number, since it uses less digits than its factorization.

381690585296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23855661589 (or 23855661583 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 62.

The spelling of 381690585296 in words is "three hundred eighty-one billion, six hundred ninety million, five hundred eighty-five thousand, two hundred ninety-six".

Divisors: 1 2 4 8 16 23855661581 47711323162 95422646324 190845292648 381690585296