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387339829525 = 52111408508471
BaseRepresentation
bin1011010001011110100…
…00001100000100010101
31101000210101020002000001
411220233100030010111
522321232444021100
6453535204451301
736661433141005
oct5505720140425
91330711202001
10387339829525
1113a2a72659a0
126309b3a9b31
132a6ab7a14cc
1414a66a18005
15a120221d6a
hex5a2f40c115

387339829525 has 12 divisors (see below), whose sum is σ = 523965151584. Its totient is φ = 281701694000.

The previous prime is 387339829493. The next prime is 387339829589. The reversal of 387339829525 is 525928933783.

It is not a de Polignac number, because 387339829525 - 25 = 387339829493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 704253961 + ... + 704254510.

It is an arithmetic number, because the mean of its divisors is an integer number (43663762632).

Almost surely, 2387339829525 is an apocalyptic number.

It is an amenable number.

387339829525 is a deficient number, since it is larger than the sum of its proper divisors (136625322059).

387339829525 is a wasteful number, since it uses less digits than its factorization.

387339829525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408508492 (or 1408508487 counting only the distinct ones).

The product of its digits is 97977600, while the sum is 64.

The spelling of 387339829525 in words is "three hundred eighty-seven billion, three hundred thirty-nine million, eight hundred twenty-nine thousand, five hundred twenty-five".

Divisors: 1 5 11 25 55 275 1408508471 7042542355 15493593181 35212711775 77467965905 387339829525