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68965585935 = 353723358441
BaseRepresentation
bin100000000111010101…
…0110101010000001111
320121000022220202112120
41000032222311100033
52112220142222220
651403215504023
74661013544131
oct1001652652017
9217008822476
1068965585935
1127280303514
1211448528013
13667104b31c
1434a34ab051
151bd98d2a40
hex100eab540f

68965585935 has 24 divisors (see below), whose sum is σ = 113407869456. Its totient is φ = 35787536640.

The previous prime is 68965585933. The next prime is 68965585981. The reversal of 68965585935 is 53958556986.

It is not a de Polignac number, because 68965585935 - 21 = 68965585933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68965585935.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68965585933) 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, 1658686 + ... + 1699755.

It is an arithmetic number, because the mean of its divisors is an integer number (4725327894).

Almost surely, 268965585935 is an apocalyptic number.

68965585935 is a deficient number, since it is larger than the sum of its proper divisors (44442283521).

68965585935 is a wasteful number, since it uses less digits than its factorization.

68965585935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3358523 (or 3358486 counting only the distinct ones).

The product of its digits is 349920000, while the sum is 69.

The spelling of 68965585935 in words is "sixty-eight billion, nine hundred sixty-five million, five hundred eighty-five thousand, nine hundred thirty-five".

Divisors: 1 3 5 15 37 111 185 555 1369 4107 6845 20535 3358441 10075323 16792205 50376615 124262317 372786951 621311585 1863934755 4597705729 13793117187 22988528645 68965585935