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13428143925 = 352735477211
BaseRepresentation
bin11001000000110000…
…10011011100110101
31021122211102101111220
430200120103130311
5210000101101200
610100243420553
7653522224440
oct144030233465
937584371456
1013428143925
115770923309
122729084759
13135ccb84c1
14915578657
15538d244a0
hex320613735

13428143925 has 48 divisors (see below), whose sum is σ = 25383470592. Its totient is φ = 6135998400.

The previous prime is 13428143891. The next prime is 13428143947. The reversal of 13428143925 is 52934182431.

It is a happy number.

It is not a de Polignac number, because 13428143925 - 28 = 13428143669 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1858570 + ... + 1865780.

It is an arithmetic number, because the mean of its divisors is an integer number (528822304).

Almost surely, 213428143925 is an apocalyptic number.

13428143925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13428143925 is a deficient number, since it is larger than the sum of its proper divisors (11955326667).

13428143925 is a wasteful number, since it uses less digits than its factorization.

13428143925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10778 (or 10773 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The spelling of 13428143925 in words is "thirteen billion, four hundred twenty-eight million, one hundred forty-three thousand, nine hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 175 525 3547 7211 10641 17735 21633 24829 36055 50477 53205 74487 88675 108165 124145 151431 180275 252385 266025 372435 540825 620725 757155 1261925 1862175 3785775 25577417 76732251 127887085 179041919 383661255 537125757 639435425 895209595 1918306275 2685628785 4476047975 13428143925