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102445520125 = 531383759559
BaseRepresentation
bin101111101101000111…
…0101001010011111101
3100210102121022122012011
41133122032221103331
53134302023121000
6115021323011221
710254460360534
oct1373216512375
9323377278164
10102445520125
113a4a0909613
1217a30969b11
139878375680
144d5bb6d31b
1529e8ca32ba
hex17da3a94fd

102445520125 has 32 divisors (see below), whose sum is σ = 139345839360. Its totient is φ = 74740507200.

The previous prime is 102445520119. The next prime is 102445520131. The reversal of 102445520125 is 521025544201.

It is an interprime number because it is at equal distance from previous prime (102445520119) and next prime (102445520131).

It is not a de Polignac number, because 102445520125 - 215 = 102445487357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244905 + ... + 514654.

It is an arithmetic number, because the mean of its divisors is an integer number (4354557480).

Almost surely, 2102445520125 is an apocalyptic number.

It is an amenable number.

102445520125 is a deficient number, since it is larger than the sum of its proper divisors (36900319235).

102445520125 is an equidigital number, since it uses as much as digits as its factorization.

102445520125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759670 (or 759660 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 102445520125 in words is "one hundred two billion, four hundred forty-five million, five hundred twenty thousand, one hundred twenty-five".

Divisors: 1 5 13 25 65 83 125 325 415 1079 1625 2075 5395 10375 26975 134875 759559 3797795 9874267 18988975 49371335 63043397 94944875 246856675 315216985 819564161 1234283375 1576084925 4097820805 7880424625 20489104025 102445520125