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13125444501425 = 524007131025151
BaseRepresentation
bin1011111100000000000101…
…1101001111111110110001
31201110210001210110110122212
42333000001131033332301
53210021402243021200
643525425043341505
72523165515306654
oct277000135177661
951423053413585
1013125444501425
114200519272373
12157b970981895
13742954b24359
143353bc49989b
1517b6525e8035
hexbf00174ffb1

13125444501425 has 12 divisors (see below), whose sum is σ = 16279613085696. Its totient is φ = 10497735018000.

The previous prime is 13125444501371. The next prime is 13125444501439. The reversal of 13125444501425 is 52410544452131.

It is a de Polignac number, because none of the positive numbers 2k-13125444501425 is a prime.

It is a Duffinian 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, 65412401 + ... + 65612750.

It is an arithmetic number, because the mean of its divisors is an integer number (1356634423808).

Almost surely, 213125444501425 is an apocalyptic number.

It is an amenable number.

13125444501425 is a deficient number, since it is larger than the sum of its proper divisors (3154168584271).

13125444501425 is a wasteful number, since it uses less digits than its factorization.

13125444501425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131029168 (or 131029163 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 41.

Adding to 13125444501425 its reverse (52410544452131), we get a palindrome (65535988953556).

The spelling of 13125444501425 in words is "thirteen trillion, one hundred twenty-five billion, four hundred forty-four million, five hundred one thousand, four hundred twenty-five".

Divisors: 1 5 25 4007 20035 100175 131025151 655125755 3275628775 525017780057 2625088900285 13125444501425