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6975382138172 = 2277331163292231
BaseRepresentation
bin110010110000001010100…
…1011001010110100111100
3220200211200101010000120222
41211200111023022310330
51403241040311410142
622500240223200512
71316645320615250
oct145402513126474
926624611100528
106975382138172
11224a274407398
12947a61446138
133b7a1131b596
141a1878924260
15c16a4362bd2
hex658152cad3c

6975382138172 has 48 divisors (see below), whose sum is σ = 13981856404992. Its totient is φ = 2982793947840.

The previous prime is 6975382138121. The next prime is 6975382138177. The reversal of 6975382138172 is 2718312835796.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6975382138177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23723297 + ... + 24015527.

It is an arithmetic number, because the mean of its divisors is an integer number (291288675104).

Almost surely, 26975382138172 is an apocalyptic number.

It is an amenable number.

6975382138172 is an abundant number, since it is smaller than the sum of its proper divisors (7006474266820).

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

6975382138172 is a wasteful number, since it uses less digits than its factorization.

6975382138172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294138 (or 294136 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 62.

The spelling of 6975382138172 in words is "six trillion, nine hundred seventy-five billion, three hundred eighty-two million, one hundred thirty-eight thousand, one hundred seventy-two".

Divisors: 1 2 4 7 14 28 733 1163 1466 2326 2932 4652 5131 8141 10262 16282 20524 32564 292231 584462 852479 1168924 1704958 2045617 3409916 4091234 5967353 8182468 11934706 23869412 214205323 339864653 428410646 679729306 856821292 1359458612 1499437261 2379052571 2998874522 4758105142 5997749044 9516210284 249120790649 498241581298 996483162596 1743845534543 3487691069086 6975382138172