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13448974521025 = 523140194317869
BaseRepresentation
bin1100001110110101010101…
…0110010101001011000001
31202121201011011021100012101
43003231111112111023001
53230321444434133100
644334212410430401
72555441061145501
oct303552526251301
952551134240171
1013448974521025
11431575055965a
121612602432401
13767304778084
14346d10657a01
15184c8a8ae86a
hexc3b555952c1

13448974521025 has 24 divisors (see below), whose sum is σ = 17218974700800. Its totient is φ = 10409516174400.

The previous prime is 13448974521007. The next prime is 13448974521029. The reversal of 13448974521025 is 52012547984431.

It is not a de Polignac number, because 13448974521025 - 237 = 13311535567553 is a prime.

It is a super-3 number, since 3×134489745210253 (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13448974521029) 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, 955791 + ... + 5273659.

It is an arithmetic number, because the mean of its divisors is an integer number (717457279200).

Almost surely, 213448974521025 is an apocalyptic number.

It is an amenable number.

13448974521025 is a deficient number, since it is larger than the sum of its proper divisors (3770000179775).

13448974521025 is a wasteful number, since it uses less digits than its factorization.

13448974521025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4321929 (or 4321924 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 13448974521025 in words is "thirteen trillion, four hundred forty-eight billion, nine hundred seventy-four million, five hundred twenty-one thousand, twenty-five".

Divisors: 1 5 25 31 155 775 4019 20095 100475 124589 622945 3114725 4317869 21589345 107946725 133853939 669269695 3346348475 17353515511 86767577555 433837887775 537958980841 2689794904205 13448974521025