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83904305375 = 5311173589489
BaseRepresentation
bin100111000100100010…
…1100001100011011111
322000120102202100002202
41032021011201203133
52333314000233000
6102313424242115
76030140554052
oct1161105414337
9260512670082
1083904305375
113264687a540
121431747033b
137bb1c8c597
1440bd4dca99
1522b113edd5
hex13891618df

83904305375 has 32 divisors (see below), whose sum is σ = 120951455040. Its totient is φ = 57431808000.

The previous prime is 83904305333. The next prime is 83904305399. The reversal of 83904305375 is 57350340938.

It is not a de Polignac number, because 83904305375 - 220 = 83903256799 is a prime.

It is a super-2 number, since 2×839043053752 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1771370 + ... + 1818119.

It is an arithmetic number, because the mean of its divisors is an integer number (3779732970).

Almost surely, 283904305375 is an apocalyptic number.

83904305375 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

83904305375 is a deficient number, since it is larger than the sum of its proper divisors (37047149665).

83904305375 is a wasteful number, since it uses less digits than its factorization.

83904305375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3589532 (or 3589522 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 47.

The spelling of 83904305375 in words is "eighty-three billion, nine hundred four million, three hundred five thousand, three hundred seventy-five".

Divisors: 1 5 11 17 25 55 85 125 187 275 425 935 1375 2125 4675 23375 3589489 17947445 39484379 61021313 89737225 197421895 305106565 448686125 671234443 987109475 1525532825 3356172215 4935547375 7627664125 16780861075 83904305375