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52538177183525 = 5211191047917031
BaseRepresentation
bin10111111001000011111110…
…11000110101111100100101
320220000121012220022200201122
423330201333120311330211
523341241141324333100
6303423412211103325
714031521002462565
oct1374417730657445
9226017186280648
1052538177183525
1115816352397410
125a863012a1b45
132341437639227
14cd8c0b752da5
1561198a1e3985
hex2fc87f635f25

52538177183525 has 12 divisors (see below), whose sum is σ = 71069825135904. Its totient is φ = 38209583406000.

The previous prime is 52538177183501. The next prime is 52538177183551.

52538177183525 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52538177183525 - 28 = 52538177183269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95523958241 + ... + 95523958790.

It is an arithmetic number, because the mean of its divisors is an integer number (5922485427992).

Almost surely, 252538177183525 is an apocalyptic number.

52538177183525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52538177183525 is a deficient number, since it is larger than the sum of its proper divisors (18531647952379).

52538177183525 is a wasteful number, since it uses less digits than its factorization.

52538177183525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191047917052 (or 191047917047 counting only the distinct ones).

The product of its digits is 70560000, while the sum is 62.

The spelling of 52538177183525 in words is "fifty-two trillion, five hundred thirty-eight billion, one hundred seventy-seven million, one hundred eighty-three thousand, five hundred twenty-five".

Divisors: 1 5 11 25 55 275 191047917031 955239585155 2101527087341 4776197925775 10507635436705 52538177183525