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53542124840 = 2351338553121
BaseRepresentation
bin110001110111010110…
…111111110100101000
312010012102221202102202
4301313112333310220
51334123240443330
640332533315332
73603552360221
oct616726776450
9163172852382
1053542124840
1120786151956
12a463195b48
135083868099
14283cd36248
1515d5823445
hexc775bfd28

53542124840 has 16 divisors (see below), whose sum is σ = 120469780980. Its totient is φ = 21416849920.

The previous prime is 53542124837. The next prime is 53542124861. The reversal of 53542124840 is 4842124535.

It can be written as a sum of positive squares in 2 ways, for example, as 53478412516 + 63712324 = 231254^2 + 7982^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53542124794 and 53542124803.

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, 669276521 + ... + 669276600.

Almost surely, 253542124840 is an apocalyptic number.

It is an amenable number.

53542124840 is an abundant number, since it is smaller than the sum of its proper divisors (66927656140).

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

53542124840 is a wasteful number, since it uses less digits than its factorization.

53542124840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338553132 (or 1338553128 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 38.

The spelling of 53542124840 in words is "fifty-three billion, five hundred forty-two million, one hundred twenty-four thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 1338553121 2677106242 5354212484 6692765605 10708424968 13385531210 26771062420 53542124840