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68758940470 = 2511953655909
BaseRepresentation
bin100000000001001011…
…0100010101100110110
320120110221002002020211
41000002112202230312
52111304242043340
651330514420034
74652624231203
oct1000226425466
9216427062224
1068758940470
11271846a1740
12113ab29161a
13663a2a82bc
143483c78caa
151bc66b45ea
hex10025a2b36

68758940470 has 32 divisors (see below), whose sum is σ = 135159438240. Its totient is φ = 24976976640.

The previous prime is 68758940429. The next prime is 68758940483. The reversal of 68758940470 is 7404985786.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223125 + ... + 432784.

It is an arithmetic number, because the mean of its divisors is an integer number (4223732445).

Almost surely, 268758940470 is an apocalyptic number.

68758940470 is a deficient number, since it is larger than the sum of its proper divisors (66400497770).

68758940470 is a wasteful number, since it uses less digits than its factorization.

68758940470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656880.

The product of its (nonzero) digits is 13547520, while the sum is 58.

The spelling of 68758940470 in words is "sixty-eight billion, seven hundred fifty-eight million, nine hundred forty thousand, four hundred seventy".

Divisors: 1 2 5 10 11 22 55 110 953 1906 4765 9530 10483 20966 52415 104830 655909 1311818 3279545 6559090 7214999 14429998 36074995 72149990 625081277 1250162554 3125406385 6250812770 6875894047 13751788094 34379470235 68758940470