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13143530751 = 3132577331789
BaseRepresentation
bin11000011110110101…
…00101110011111111
31020220222212112122020
430033122211303333
5203404220441001
610012115251223
7643465111431
oct141732456377
936828775566
1013143530751
1156351a920a
1226698a9b13
131316047140
148c984c651
1551dd54736
hex30f6a5cff

13143530751 has 32 divisors (see below), whose sum is σ = 18982649280. Its totient is φ = 8041365504.

The previous prime is 13143530747. The next prime is 13143530783. The reversal of 13143530751 is 15703534131.

It is not a de Polignac number, because 13143530751 - 22 = 13143530747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13143530731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7345965 + ... + 7347753.

It is an arithmetic number, because the mean of its divisors is an integer number (593207790).

Almost surely, 213143530751 is an apocalyptic number.

13143530751 is a deficient number, since it is larger than the sum of its proper divisors (5839118529).

13143530751 is a wasteful number, since it uses less digits than its factorization.

13143530751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795.

The product of its (nonzero) digits is 18900, while the sum is 33.

The spelling of 13143530751 in words is "thirteen billion, one hundred forty-three million, five hundred thirty thousand, seven hundred fifty-one".

Divisors: 1 3 13 39 257 733 771 1789 2199 3341 5367 9529 10023 23257 28587 69771 188381 459773 565143 1311337 1379319 2448953 3934011 5977049 7346859 17047381 17931147 51142143 337013609 1011040827 4381176917 13143530751