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48570813125 = 542916372
BaseRepresentation
bin101101001111000010…
…111100101011000101
311122100222112221210122
4231033002330223011
51243433112010000
634151345031325
73336426046112
oct551702745305
9148328487718
1048570813125
1119664a5987a
1294b6325545
134770942413
1424ca9c1909
1513e4187085
hexb4f0bcac5

48570813125 has 30 divisors (see below), whose sum is σ = 62825366010. Its totient is φ = 37493848000.

The previous prime is 48570813119. The next prime is 48570813149. The reversal of 48570813125 is 52131807584.

It can be written as a sum of positive squares in 15 ways, for example, as 37840753729 + 10730059396 = 194527^2 + 103586^2 .

It is not a de Polignac number, because 48570813125 - 214 = 48570796741 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 29669807 + ... + 29671443.

It is an arithmetic number, because the mean of its divisors is an integer number (2094178867).

Almost surely, 248570813125 is an apocalyptic number.

It is an amenable number.

48570813125 is a deficient number, since it is larger than the sum of its proper divisors (14254552885).

48570813125 is an frugal number, since it uses more digits than its factorization.

48570813125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3323 (or 1671 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 44.

The spelling of 48570813125 in words is "forty-eight billion, five hundred seventy million, eight hundred thirteen thousand, one hundred twenty-five".

Divisors: 1 5 25 29 125 145 625 725 1637 3625 8185 18125 40925 47473 204625 237365 1023125 1186825 2679769 5934125 13398845 29670625 66994225 77713301 334971125 388566505 1674855625 1942832525 9714162625 48570813125