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68264719882 = 2291443181559
BaseRepresentation
bin111111100100111001…
…001111011000001010
320112012111010002001121
4333210321033120022
52104301232014012
651205501505454
74634443354642
oct774471173012
9215174102047
1068264719882
1126a50722477
121129187228a
13658ba97998
143438389522
151b980dda07
hexfe4e4f60a

68264719882 has 16 divisors (see below), whose sum is σ = 105936652800. Its totient is φ = 32952694320.

The previous prime is 68264719879. The next prime is 68264719907. The reversal of 68264719882 is 28891746286.

It is a self number, because there is not a number n which added to its sum of digits gives 68264719882.

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, 796219 + ... + 877777.

It is an arithmetic number, because the mean of its divisors is an integer number (6621040800).

Almost surely, 268264719882 is an apocalyptic number.

68264719882 is a deficient number, since it is larger than the sum of its proper divisors (37671932918).

68264719882 is a wasteful number, since it uses less digits than its factorization.

68264719882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96021.

The product of its digits is 18579456, while the sum is 61.

The spelling of 68264719882 in words is "sixty-eight billion, two hundred sixty-four million, seven hundred nineteen thousand, eight hundred eighty-two".

Divisors: 1 2 29 58 14431 28862 81559 163118 418499 836998 2365211 4730422 1176977929 2353955858 34132359941 68264719882