Search a number
-
+
12584709023 = 1031793791801
BaseRepresentation
bin10111011100001101…
…10110101110011111
31012111001100110100012
423232012312232133
5201233141142043
65440433553435
7623601155525
oct135606665637
935431313305
1012584709023
115378816177
12253271587b
1312573384b3
14875544315
154d9c6ca18
hex2ee1b6b9f

12584709023 has 16 divisors (see below), whose sum is σ = 12818707200. Its totient is φ = 12353342400.

The previous prime is 12584708971. The next prime is 12584709061. The reversal of 12584709023 is 32090748521.

It is a cyclic number.

It is not a de Polignac number, because 12584709023 - 210 = 12584707999 is a prime.

It is a super-2 number, since 2×125847090232 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12584709623) 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, 6986723 + ... + 6988523.

It is an arithmetic number, because the mean of its divisors is an integer number (801169200).

Almost surely, 212584709023 is an apocalyptic number.

12584709023 is a deficient number, since it is larger than the sum of its proper divisors (233998177).

12584709023 is a wasteful number, since it uses less digits than its factorization.

12584709023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 12584709023 in words is "twelve billion, five hundred eighty-four million, seven hundred nine thousand, twenty-three".

Divisors: 1 103 179 379 1801 18437 39037 67841 185503 322379 682579 6987623 33205037 70305637 122181641 12584709023