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68415475863192 = 2334847358808921
BaseRepresentation
bin11111000111001001110000…
…01000101100111010011000
322222020110022010220121002120
433203210320020230322120
532431404343310110232
6401301345152101240
720260566161503443
oct1743447010547230
9288213263817076
1068415475863192
111a88792759a817
12780b464534820
132c237230b0783
1412c748067065a
157d999bdc292c
hex3e393822ce98

68415475863192 has 32 divisors (see below), whose sum is σ = 171042221101680. Its totient is φ = 22804687761920.

The previous prime is 68415475863127. The next prime is 68415475863209. The reversal of 68415475863192 is 29136857451486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28241109 + ... + 30567812.

Almost surely, 268415475863192 is an apocalyptic number.

It is an amenable number.

68415475863192 is an abundant number, since it is smaller than the sum of its proper divisors (102626745238488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68415475863192 is a wasteful number, since it uses less digits than its factorization.

68415475863192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58857403 (or 58857399 counting only the distinct ones).

The product of its digits is 348364800, while the sum is 69.

The spelling of 68415475863192 in words is "sixty-eight trillion, four hundred fifteen billion, four hundred seventy-five million, eight hundred sixty-three thousand, one hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 24 48473 96946 145419 193892 290838 387784 581676 1163352 58808921 117617842 176426763 235235684 352853526 470471368 705707052 1411414104 2850644827633 5701289655266 8551934482899 11402579310532 17103868965798 22805158621064 34207737931596 68415475863192