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19960076539 = 1312761919531
BaseRepresentation
bin10010100101101101…
…101001100011111011
31220112001101221120001
4102211231221203323
5311334234422124
613100341413431
71304425564654
oct224555514373
956461357501
1019960076539
118512a40a27
123a5070a277
131b61339ba0
14d74c9252b
157bc4d1b44
hex4a5b698fb

19960076539 has 16 divisors (see below), whose sum is σ = 21700833280. Its totient is φ = 18249144480.

The previous prime is 19960076519. The next prime is 19960076551. The reversal of 19960076539 is 93567006991.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-19960076539 is a prime.

It is a super-3 number, since 3×199600765393 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19960076539.

It is not an unprimeable number, because it can be changed into a prime (19960076519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1012204 + ... + 1031734.

It is an arithmetic number, because the mean of its divisors is an integer number (1356302080).

Almost surely, 219960076539 is an apocalyptic number.

19960076539 is a deficient number, since it is larger than the sum of its proper divisors (1740756741).

19960076539 is a wasteful number, since it uses less digits than its factorization.

19960076539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20290.

The product of its (nonzero) digits is 2755620, while the sum is 55.

The spelling of 19960076539 in words is "nineteen billion, nine hundred sixty million, seventy-six thousand, five hundred thirty-nine".

Divisors: 1 13 127 619 1651 8047 19531 78613 253903 1021969 2480437 12089689 32245681 157165957 1535390503 19960076539