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38614270640 = 2451143879853
BaseRepresentation
bin100011111101100101…
…110000001010110000
310200200002120012011212
4203331211300022300
51113040223130030
625423353455252
72534616612341
oct437545601260
9120602505155
1038614270640
1115415827070
127597a11528
133844c5c46a
141c245320c8
151010010595
hex8fd9702b0

38614270640 has 40 divisors (see below), whose sum is σ = 97939834128. Its totient is φ = 14041552640.

The previous prime is 38614270631. The next prime is 38614270649. The reversal of 38614270640 is 4607241683.

It is an interprime number because it is at equal distance from previous prime (38614270631) and next prime (38614270649).

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (38614270649) by changing a digit.

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, 21939047 + ... + 21940806.

Almost surely, 238614270640 is an apocalyptic number.

It is an amenable number.

38614270640 is an abundant number, since it is smaller than the sum of its proper divisors (59325563488).

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

38614270640 is a wasteful number, since it uses less digits than its factorization.

38614270640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43879877 (or 43879871 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 38614270640 in words is "thirty-eight billion, six hundred fourteen million, two hundred seventy thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 43879853 87759706 175519412 219399265 351038824 438798530 482678383 702077648 877597060 965356766 1755194120 1930713532 2413391915 3510388240 3861427064 4826783830 7722854128 9653567660 19307135320 38614270640