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378875805836 = 2211174373161363
BaseRepresentation
bin1011000001101101100…
…00100000000010001100
31100012221111200010021012
411200312300200002030
522201414201241321
6450015251224352
736241616133053
oct5406660400214
91305844603235
10378875805836
111367535736a0
12615188a80b8
1329960091578
14144a288139a
159cc711805b
hex5836c2008c

378875805836 has 96 divisors (see below), whose sum is σ = 794406590208. Its totient is φ = 156146780160.

The previous prime is 378875805823. The next prime is 378875805839. The reversal of 378875805836 is 638508578873.

It is a Harshad number since it is a multiple of its sum of digits (68).

It is not an unprimeable number, because it can be changed into a prime (378875805839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2267291 + ... + 2428653.

It is an arithmetic number, because the mean of its divisors is an integer number (8275068648).

Almost surely, 2378875805836 is an apocalyptic number.

It is an amenable number.

378875805836 is an abundant number, since it is smaller than the sum of its proper divisors (415530784372).

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

378875805836 is a wasteful number, since it uses less digits than its factorization.

378875805836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161511 (or 161509 counting only the distinct ones).

The product of its (nonzero) digits is 270950400, while the sum is 68.

The spelling of 378875805836 in words is "three hundred seventy-eight billion, eight hundred seventy-five million, eight hundred five thousand, eight hundred thirty-six".

Divisors: 1 2 4 11 17 22 34 43 44 68 73 86 146 172 187 292 374 473 731 748 803 946 1241 1462 1606 1892 2482 2924 3139 3212 4964 6278 8041 12556 13651 16082 27302 32164 34529 53363 54604 69058 106726 138116 161363 213452 322726 586993 645452 1173986 1774993 2347972 2743171 3549986 5486342 6938609 7099972 10972684 11779499 13877218 23558998 27754436 30174881 47117996 60349762 76324699 117956353 120699524 129574489 152649398 200251483 235912706 259148978 305298796 400502966 471825412 506518457 518297956 801005932 1013036914 1297519883 2026073828 2202766313 2595039766 4405532626 5190079532 5571703027 8610813769 8811065252 11143406054 17221627538 22286812108 34443255076 94718951459 189437902918 378875805836