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53420140424 = 2377113435649
BaseRepresentation
bin110001110000000101…
…101010011110001000
312002212221102022021102
4301300011222132020
51333401023443144
640312455000532
73600541462430
oct616005523610
9162787368242
1053420140424
1120723305192
12a42a369148
1350644c7b61
14282aa612c0
1515c9c79b4e
hexc7016a788

53420140424 has 32 divisors (see below), whose sum is σ = 116084016000. Its totient is φ = 22571888640.

The previous prime is 53420140363. The next prime is 53420140439. The reversal of 53420140424 is 42404102435.

It is a super-2 number, since 2×534201404242 (a number of 22 digits) contains 22 as substring.

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, 6713849 + ... + 6721800.

It is an arithmetic number, because the mean of its divisors is an integer number (3627625500).

Almost surely, 253420140424 is an apocalyptic number.

It is an amenable number.

53420140424 is an abundant number, since it is smaller than the sum of its proper divisors (62663875576).

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

53420140424 is a wasteful number, since it uses less digits than its factorization.

53420140424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13435733 (or 13435729 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 53420140424 its reverse (42404102435), we get a palindrome (95824242859).

The spelling of 53420140424 in words is "fifty-three billion, four hundred twenty million, one hundred forty thousand, four hundred twenty-four".

Divisors: 1 2 4 7 8 14 28 56 71 142 284 497 568 994 1988 3976 13435649 26871298 53742596 94049543 107485192 188099086 376198172 752396344 953931079 1907862158 3815724316 6677517553 7631448632 13355035106 26710070212 53420140424