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39480520032 = 2532183174869
BaseRepresentation
bin100100110001001110…
…001110110101100000
310202220110120012221200
4210301032032311200
51121324003120112
630045340321200
72565235611642
oct446116166540
9122813505850
1039480520032
111581a7a7058
127799b43200
133952569975
141ca75c4892
1510610c1cdc
hex93138ed60

39480520032 has 72 divisors (see below), whose sum is σ = 112335546960. Its totient is φ = 13152810240.

The previous prime is 39480520019. The next prime is 39480520039. The reversal of 39480520032 is 23002508493.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×394805200322 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39480520039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 489894 + ... + 564762.

It is an arithmetic number, because the mean of its divisors is an integer number (1560215930).

Almost surely, 239480520032 is an apocalyptic number.

39480520032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

39480520032 is an abundant number, since it is smaller than the sum of its proper divisors (72855026928).

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

39480520032 is a wasteful number, since it uses less digits than its factorization.

39480520032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76716 (or 76705 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 39480520032 in words is "thirty-nine billion, four hundred eighty million, five hundred twenty thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 1831 3662 5493 7324 10986 14648 16479 21972 29296 32958 43944 58592 65916 74869 87888 131832 149738 175776 224607 263664 299476 449214 527328 598952 673821 898428 1197904 1347642 1796856 2395808 2695284 3593712 5390568 7187424 10781136 21562272 137085139 274170278 411255417 548340556 822510834 1096681112 1233766251 1645021668 2193362224 2467532502 3290043336 4386724448 4935065004 6580086672 9870130008 13160173344 19740260016 39480520032