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38520329029 = 71323131093
BaseRepresentation
bin100011110111111111…
…011001001101000101
310200102112210110111221
4203313333121031011
51112342201012104
625410200200341
72532366252160
oct436777311505
9120375713457
1038520329029
11153777a3376
1275704690b1
13382b65a400
141c15c7aad7
151006b55c54
hex8f7fd9345

38520329029 has 48 divisors (see below), whose sum is σ = 49304146944. Its totient is φ = 29467488960.

The previous prime is 38520328963. The next prime is 38520329059. The reversal of 38520329029 is 92092302583.

It is not a de Polignac number, because 38520329029 - 213 = 38520320837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38520329059) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35242207 + ... + 35243299.

It is an arithmetic number, because the mean of its divisors is an integer number (1027169728).

Almost surely, 238520329029 is an apocalyptic number.

It is an amenable number.

38520329029 is a deficient number, since it is larger than the sum of its proper divisors (10783817915).

38520329029 is an equidigital number, since it uses as much as digits as its factorization.

38520329029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219 (or 1144 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 38520329029 in words is "thirty-eight billion, five hundred twenty million, three hundred twenty-nine thousand, twenty-nine".

Divisors: 1 7 13 31 91 169 217 403 961 1093 1183 2821 5239 6727 7651 12493 14209 29791 33883 36673 87451 99463 162409 184717 208537 237181 387283 440479 1050373 1136863 1293019 2710981 3083353 5034679 5726227 7352611 13654849 32561563 35242753 40083589 95583943 177513037 227930941 423300319 1242591259 2963102233 5502904147 38520329029