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48868558266025 = 5213981212
BaseRepresentation
bin10110001110010000110010…
…00011100101111010101001
320102000210021211220220211101
423013020121003211322221
522401130301404003100
6251533523350201401
713202431300362511
oct1307103103457251
9212023254826741
1048868558266025
111463104815aa93
125593079353261
1321363929812b4
14c0d37243c841
1559b2b3be986a
hex2c72190e5ea9

48868558266025 has 9 divisors (see below), whose sum is σ = 60597055591653. Its totient is φ = 39094818650400.

The previous prime is 48868558265977. The next prime is 48868558266071. The reversal of 48868558266025 is 52066285586884.

The square root of 48868558266025 is 6990605.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 15224351769 + 48853333914256 = 123387^2 + 6989516^2 .

It is not a de Polignac number, because 48868558266025 - 211 = 48868558263977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 34253965 + ... + 35652085.

Almost surely, 248868558266025 is an apocalyptic number.

48868558266025 is the 6990605-th square number.

48868558266025 is the 3495303-rd centered octagonal number.

It is an amenable number.

48868558266025 is a deficient number, since it is larger than the sum of its proper divisors (11728497325628).

48868558266025 is an frugal number, since it uses more digits than its factorization.

48868558266025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2796252 (or 1398126 counting only the distinct ones).

The product of its (nonzero) digits is 1769472000, while the sum is 73.

The spelling of 48868558266025 in words is "forty-eight trillion, eight hundred sixty-eight billion, five hundred fifty-eight million, two hundred sixty-six thousand, twenty-five".

Divisors: 1 5 25 1398121 6990605 34953025 1954742330641 9773711653205 48868558266025