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53942389386 = 23157239239597
BaseRepresentation
bin110010001111001101…
…111000101010001010
312011020100010022011120
4302033031320222022
51340433222430021
640440352340110
73616512513234
oct621715705212
9164210108146
1053942389386
11209710885a6
12a555244636
13511876cc02
14287a169254
15160aa3a2c6
hexc8f378a8a

53942389386 has 32 divisors (see below), whose sum is σ = 109026673920. Its totient is φ = 17791440576.

The previous prime is 53942389381. The next prime is 53942389409. The reversal of 53942389386 is 68398324935.

53942389386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×539423893863 (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (53942389381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105340 + ... + 344936.

It is an arithmetic number, because the mean of its divisors is an integer number (3407083560).

Almost surely, 253942389386 is an apocalyptic number.

53942389386 is an abundant number, since it is smaller than the sum of its proper divisors (55084284534).

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

53942389386 is a wasteful number, since it uses less digits than its factorization.

53942389386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239998.

The product of its digits is 33592320, while the sum is 60.

The spelling of 53942389386 in words is "fifty-three billion, nine hundred forty-two million, three hundred eighty-nine thousand, three hundred eighty-six".

Divisors: 1 2 3 6 157 239 314 471 478 717 942 1434 37523 75046 112569 225138 239597 479194 718791 1437582 37616729 57263683 75233458 112850187 114527366 171791049 225700374 343582098 8990398231 17980796462 26971194693 53942389386