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15283134703225 = 52103275912
BaseRepresentation
bin1101111001100110000111…
…0100001010011001111001
32000010001102221020120011101
43132121201310022121321
54000344324441000400
652300550344531401
73135112216360504
oct336314164123171
960101387216141
1015283134703225
1149625a5122784
121869b82a80b61
1386b268c2c42c
143ab9c9ba013b
151b78393a856a
hexde661d0a679

15283134703225 has 27 divisors (see below), whose sum is σ = 19139385815919. Its totient is φ = 12106208782800.

The previous prime is 15283134703211. The next prime is 15283134703229. The reversal of 15283134703225 is 52230743138251.

The square root of 15283134703225 is 3909365.

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

It can be written as a sum of positive squares in only one way, i.e., 5501928493161 + 9781206210064 = 2345619^2 + 3127492^2 .

It is not a de Polignac number, because 15283134703225 - 27 = 15283134703097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15283134703229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2013319180 + ... + 2013326770.

Almost surely, 215283134703225 is an apocalyptic number.

15283134703225 is the 3909365-th square number.

15283134703225 is the 1954683-rd centered octagonal number.

It is an amenable number.

15283134703225 is a deficient number, since it is larger than the sum of its proper divisors (3856251112694).

15283134703225 is an frugal number, since it uses more digits than its factorization.

15283134703225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15398 (or 7699 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 15283134703225 in words is "fifteen trillion, two hundred eighty-three billion, one hundred thirty-four million, seven hundred three thousand, two hundred twenty-five".

Divisors: 1 5 25 103 515 2575 7591 10609 37955 53045 189775 265225 781873 3909365 19546825 57623281 80532919 288116405 402664595 1440582025 2013322975 5935197943 29675989715 148379948575 611325388129 3056626940645 15283134703225