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13457975794 = 261293383983
BaseRepresentation
bin11001000100010100…
…00110100111110010
31021201220120000010221
430202022012213302
5210030220211134
610103231043254
7654333623014
oct144212064762
937656500127
1013457975794
11578674944a
12273707052a
131366231ab3
149195021b4
1553b7685b4
hex3222869f2

13457975794 has 32 divisors (see below), whose sum is σ = 20662677504. Its totient is φ = 6572172480.

The previous prime is 13457975789. The next prime is 13457975801. The reversal of 13457975794 is 49757975431.

It is a super-2 number, since 2×134579757942 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13690227 + ... + 13691209.

It is an arithmetic number, because the mean of its divisors is an integer number (645708672).

Almost surely, 213457975794 is an apocalyptic number.

13457975794 is a deficient number, since it is larger than the sum of its proper divisors (7204701710).

13457975794 is a wasteful number, since it uses less digits than its factorization.

13457975794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722.

The product of its digits is 33339600, while the sum is 61.

The spelling of 13457975794 in words is "thirteen billion, four hundred fifty-seven million, nine hundred seventy-five thousand, seven hundred ninety-four".

Divisors: 1 2 61 122 293 383 586 766 983 1966 17873 23363 35746 46726 59963 112219 119926 224438 288019 376489 576038 752978 6845359 13690718 17569159 22965829 35138318 45931658 110311277 220622554 6728987897 13457975794