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6973000056 = 23321143204751
BaseRepresentation
bin1100111111001111…
…11000100101111000
3122222221221002211100
412133213320211320
5103240042000211
63111531331400
7334540344141
oct63747704570
918887832740
106973000056
112a59093170
1214272b0b60
13871841649
144a212cac8
152ac284156
hex19f9f8978

6973000056 has 96 divisors (see below), whose sum is σ = 21081265920. Its totient is φ = 2063880000.

The previous prime is 6973000051. The next prime is 6973000061. The reversal of 6973000056 is 6500003796.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6973000051) and next prime (6973000061).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6973000051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68320 + ... + 136431.

It is an arithmetic number, because the mean of its divisors is an integer number (219596520).

Almost surely, 26973000056 is an apocalyptic number.

6973000056 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6973000056 is an abundant number, since it is smaller than the sum of its proper divisors (14108265864).

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

6973000056 is a wasteful number, since it uses less digits than its factorization.

6973000056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204817 (or 204810 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 6973000056 is about 83504.4912325080. The cubic root of 6973000056 is about 1910.4685359515.

The spelling of 6973000056 in words is "six billion, nine hundred seventy-three million, fifty-six", and thus it is an aban number.

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 33 36 43 44 66 72 86 88 99 129 132 172 198 258 264 344 387 396 473 516 774 792 946 1032 1419 1548 1892 2838 3096 3784 4257 5676 8514 11352 17028 34056 204751 409502 614253 819004 1228506 1638008 1842759 2252261 2457012 3685518 4504522 4914024 6756783 7371036 8804293 9009044 13513566 14742072 17608586 18018088 20270349 26412879 27027132 35217172 40540698 52825758 54054264 70434344 79238637 81081396 96847223 105651516 158477274 162162792 193694446 211303032 290541669 316954548 387388892 581083338 633909096 774777784 871625007 1162166676 1743250014 2324333352 3486500028 6973000056