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53868654842 = 2531997013643
BaseRepresentation
bin110010001010110100…
…100111000011111010
312011001012101012101112
4302022310213003322
51340310333423332
640425200120322
73614626003562
oct621264470372
9164035335345
1053868654842
11209334a6762
12a5346060a2
1351063c45c2
142870453da2
151604322db2
hexc8ad270fa

53868654842 has 32 divisors (see below), whose sum is σ = 82882051200. Its totient is φ = 26248622400.

The previous prime is 53868654803. The next prime is 53868654857. The reversal of 53868654842 is 24845686835.

53868654842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14785073 + ... + 14788715.

It is an arithmetic number, because the mean of its divisors is an integer number (2590064100).

Almost surely, 253868654842 is an apocalyptic number.

53868654842 is a deficient number, since it is larger than the sum of its proper divisors (29013396358).

53868654842 is a wasteful number, since it uses less digits than its factorization.

53868654842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4598.

The product of its digits is 44236800, while the sum is 59.

The spelling of 53868654842 in words is "fifty-three billion, eight hundred sixty-eight million, six hundred fifty-four thousand, eight hundred forty-two".

Divisors: 1 2 53 106 199 398 701 1402 3643 7286 10547 21094 37153 74306 139499 193079 278998 386158 724957 1449914 2553743 5107486 7393447 14786894 38422721 76845442 135348379 270696758 508194857 1016389714 26934327421 53868654842