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13054221501 = 329229317659
BaseRepresentation
bin11000010100001011…
…11001110010111101
31020200202211011101020
430022011321302331
5203213340042001
65555205134353
7641332023546
oct141205716275
936622734336
1013054221501
115599849912
1226439ba3b9
1313006a7729
148bba414cd
155160b2736
hex30a179cbd

13054221501 has 24 divisors (see below), whose sum is σ = 18089067360. Its totient is φ = 8373564864.

The previous prime is 13054221493. The next prime is 13054221533. The reversal of 13054221501 is 10512245031.

It is a happy number.

It is not a de Polignac number, because 13054221501 - 23 = 13054221493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13054221571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 730410 + ... + 748068.

It is an arithmetic number, because the mean of its divisors is an integer number (753711140).

Almost surely, 213054221501 is an apocalyptic number.

It is an amenable number.

13054221501 is a deficient number, since it is larger than the sum of its proper divisors (5034845859).

13054221501 is a wasteful number, since it uses less digits than its factorization.

13054221501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18013 (or 17984 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 13054221501 its reverse (10512245031), we get a palindrome (23566466532).

The spelling of 13054221501 in words is "thirteen billion, fifty-four million, two hundred twenty-one thousand, five hundred one".

Divisors: 1 3 29 87 293 841 879 2523 8497 17659 25491 52977 246413 512111 739239 1536333 5174087 14851219 15522261 44553657 150048523 450145569 4351407167 13054221501