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68864272439398 = 2101495168857249
BaseRepresentation
bin11111010100001101101100…
…11111110001100001100110
3100000211100201112211212121121
433222012312133301201212
533011233012221030043
6402243450544204154
720335164603452152
oct1752066637614146
9300740645755547
1068864272439398
111aa401a0560047
12788243560965a
132c56b47068b37
1413010973c2062
157e64b769aded
hex3ea1b67f1866

68864272439398 has 16 divisors (see below), whose sum is σ = 104340217212000. Its totient is φ = 34084337760000.

The previous prime is 68864272439341. The next prime is 68864272439447. The reversal of 68864272439398 is 89393427246886.

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, 33428523 + ... + 35428726.

It is an arithmetic number, because the mean of its divisors is an integer number (6521263575750).

Almost surely, 268864272439398 is an apocalyptic number.

68864272439398 is a deficient number, since it is larger than the sum of its proper divisors (35475944772602).

68864272439398 is a wasteful number, since it uses less digits than its factorization.

68864272439398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68862303.

The product of its digits is 6019743744, while the sum is 79.

The spelling of 68864272439398 in words is "sixty-eight trillion, eight hundred sixty-four billion, two hundred seventy-two million, four hundred thirty-nine thousand, three hundred ninety-eight".

Divisors: 1 2 101 202 4951 9902 500051 1000102 68857249 137714498 6954582149 13909164298 340912239799 681824479598 34432136219699 68864272439398