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38365664471056 = 2413281656406797
BaseRepresentation
bin10001011100100101100111…
…10011010110100000010000
312000211201111010021221100001
420232102303303112200100
520012040340101033211
6213332535401535344
711036553634210516
oct1056226363264020
9160751433257301
1038365664471056
111125187244858a
1243776334a4554
131853b35cca6c0
14968c9da4c4b6
15467ea40acac1
hex22e4b3cd6810

38365664471056 has 40 divisors (see below), whose sum is σ = 80336315193624. Its totient is φ = 17644214676480.

The previous prime is 38365664471051. The next prime is 38365664471111. The reversal of 38365664471056 is 65017446656383.

It can be written as a sum of positive squares in 4 ways, for example, as 858809958400 + 37506854512656 = 926720^2 + 6124284^2 .

It is not an unprimeable number, because it can be changed into a prime (38365664471051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328144951 + ... + 328261846.

Almost surely, 238365664471056 is an apocalyptic number.

It is an amenable number.

38365664471056 is an abundant number, since it is smaller than the sum of its proper divisors (41970650722568).

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

38365664471056 is a wasteful number, since it uses less digits than its factorization.

38365664471056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656407099 (or 656407093 counting only the distinct ones).

The product of its (nonzero) digits is 261273600, while the sum is 64.

The spelling of 38365664471056 in words is "thirty-eight trillion, three hundred sixty-five billion, six hundred sixty-four million, four hundred seventy-one thousand, fifty-six".

Divisors: 1 2 4 8 13 16 26 52 104 208 281 562 1124 2248 3653 4496 7306 14612 29224 58448 656406797 1312813594 2625627188 5251254376 8533288361 10502508752 17066576722 34133153444 68266306888 136532613776 184450309957 368900619914 737801239828 1475602479656 2397854029441 2951204959312 4795708058882 9591416117764 19182832235528 38365664471056