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525405220140513 = 31991919774584277
BaseRepresentation
bin111011101110110100110111…
…1100000100111010111100001
32112220022020201011100021001210
41313131221233200213113201
51022331214342323444023
65101235454230220333
7215445163102220346
oct16735515740472741
92486266634307053
10525405220140513
11142457114535579
124ab170751b46a9
13197226659c524b
1493a5a6962a7cd
1540b1edecdc593
hex1ddda6f8275e1

525405220140513 has 16 divisors (see below), whose sum is σ = 704064417507200. Its totient is φ = 348508103872896.

The previous prime is 525405220140499. The next prime is 525405220140517. The reversal of 525405220140513 is 315041022504525.

It is not a de Polignac number, because 525405220140513 - 28 = 525405220140257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525405220140517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112318131 + ... + 116902407.

It is an arithmetic number, because the mean of its divisors is an integer number (44004026094200).

Almost surely, 2525405220140513 is an apocalyptic number.

It is an amenable number.

525405220140513 is a deficient number, since it is larger than the sum of its proper divisors (178659197366687).

525405220140513 is a wasteful number, since it uses less digits than its factorization.

525405220140513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4776456.

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 525405220140513 in words is "five hundred twenty-five trillion, four hundred five billion, two hundred twenty million, one hundred forty thousand, five hundred thirteen".

Divisors: 1 3 199 597 191977 575931 4584277 13752831 38203423 114610269 912271123 2736813369 880075745629 2640227236887 175135073380171 525405220140513