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68971158201 = 31117313965911
BaseRepresentation
bin100000000111100000…
…0000101101010111001
320121000201101212020210
41000033000011222321
52112223104030301
651403535141333
74661112112611
oct1001700055271
9217021355223
1068971158201
1127283469aa0
121144a374849
13667224c71a
1434a411ba41
151bda133ad6
hex100f005ab9

68971158201 has 32 divisors (see below), whose sum is σ = 109649534976. Its totient is φ = 38072736000.

The previous prime is 68971158181. The next prime is 68971158203. The reversal of 68971158201 is 10285117986.

It is a happy number.

It is not a de Polignac number, because 68971158201 - 27 = 68971158073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68971158203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1965565 + ... + 2000346.

It is an arithmetic number, because the mean of its divisors is an integer number (3426547968).

Almost surely, 268971158201 is an apocalyptic number.

It is an amenable number.

68971158201 is a deficient number, since it is larger than the sum of its proper divisors (40678376775).

68971158201 is a wasteful number, since it uses less digits than its factorization.

68971158201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965973.

The product of its (nonzero) digits is 241920, while the sum is 48.

The spelling of 68971158201 in words is "sixty-eight billion, nine hundred seventy-one million, one hundred fifty-eight thousand, two hundred one".

Divisors: 1 3 11 17 31 33 51 93 187 341 527 561 1023 1581 5797 17391 3965911 11897733 43625021 67420487 122943241 130875063 202261461 368829723 741625357 1352375651 2090035097 2224876071 4057126953 6270105291 22990386067 68971158201