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138888094450708 = 22191827474926983
BaseRepresentation
bin11111100101000101100111…
…100010001000010000010100
3200012202120110002210012112101
4133211011213202020100110
5121201020304134410313
61211220150524131444
741153222312045221
oct3745054742102024
9605676402705471
10138888094450708
114028812356a919
12136b1539996b84
135c66125220605
142642310990948
15110cbe87255dd
hex7e5167888414

138888094450708 has 12 divisors (see below), whose sum is σ = 255846489777760. Its totient is φ = 65789097371352.

The previous prime is 138888094450681. The next prime is 138888094450711. The reversal of 138888094450708 is 807054490888831.

It is a congruent number.

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, 913737463416 + ... + 913737463567.

Almost surely, 2138888094450708 is an apocalyptic number.

It is an amenable number.

138888094450708 is a deficient number, since it is larger than the sum of its proper divisors (116958395327052).

138888094450708 is a wasteful number, since it uses less digits than its factorization.

138888094450708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827474927006 (or 1827474927004 counting only the distinct ones).

The product of its (nonzero) digits is 495452160, while the sum is 73.

The spelling of 138888094450708 in words is "one hundred thirty-eight trillion, eight hundred eighty-eight billion, ninety-four million, four hundred fifty thousand, seven hundred eight".

Divisors: 1 2 4 19 38 76 1827474926983 3654949853966 7309899707932 34722023612677 69444047225354 138888094450708