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68485612036 = 2243398172163
BaseRepresentation
bin111111110010000011…
…111000001000000100
320112202212202120010111
4333302003320020010
52110224304041121
651243432202404
74643065045252
oct776203701004
9215685676114
1068485612036
1127054384a76
1211333839404
1365c57884ba
1434598495d2
151bac6c32e1
hexff20f8204

68485612036 has 12 divisors (see below), whose sum is σ = 122637026512. Its totient is φ = 33446461608.

The previous prime is 68485612001. The next prime is 68485612049. The reversal of 68485612036 is 63021658486.

It is a happy number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199085910 + ... + 199086253.

Almost surely, 268485612036 is an apocalyptic number.

It is an amenable number.

68485612036 is a deficient number, since it is larger than the sum of its proper divisors (54151414476).

68485612036 is a wasteful number, since it uses less digits than its factorization.

68485612036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398172210 (or 398172208 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 49.

The spelling of 68485612036 in words is "sixty-eight billion, four hundred eighty-five million, six hundred twelve thousand, thirty-six".

Divisors: 1 2 4 43 86 172 398172163 796344326 1592688652 17121403009 34242806018 68485612036