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68964238023 = 3107431503991
BaseRepresentation
bin100000000111010010…
…1101100001011000111
320121000020101021112220
41000032211230023013
52112214321104043
651403130543423
74660666231302
oct1001645541307
9217006337486
1068964238023
112727a57283a
1211447b97b73
136670998945
1434a3239b39
151bd9718483
hex100e96c2c7

68964238023 has 32 divisors (see below), whose sum is σ = 93306028032. Its totient is φ = 45304696800.

The previous prime is 68964237973. The next prime is 68964238121. The reversal of 68964238023 is 32083246986.

It is not a de Polignac number, because 68964238023 - 217 = 68964106951 is a prime.

It is a super-2 number, since 2×689642380232 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68964238523) 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, 69590058 + ... + 69591048.

It is an arithmetic number, because the mean of its divisors is an integer number (2915813376).

Almost surely, 268964238023 is an apocalyptic number.

68964238023 is a deficient number, since it is larger than the sum of its proper divisors (24341790009).

68964238023 is a wasteful number, since it uses less digits than its factorization.

68964238023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035.

The product of its (nonzero) digits is 2985984, while the sum is 51.

The spelling of 68964238023 in words is "sixty-eight billion, nine hundred sixty-four million, two hundred thirty-eight thousand, twenty-three".

Divisors: 1 3 107 321 431 503 991 1293 1509 2973 46117 53821 106037 138351 161463 216793 318111 427121 498473 650379 1281363 1495419 23196851 45701947 53336611 69590553 137105841 160009833 214841863 644525589 22988079341 68964238023