Search a number
-
+
10541630891 = 113782731319
BaseRepresentation
bin10011101000101010…
…01000010110101011
31000012122221100000202
421310111020112223
5133042124142031
64502011422415
7522142245521
oct116425102653
930178840022
1010541630891
11451a526350
122062454a0b
13cbcc8a51c
14720074311
1541a6eb2cb
hex2745485ab

10541630891 has 16 divisors (see below), whose sum is σ = 11825429760. Its totient is φ = 9312720480.

The previous prime is 10541630851. The next prime is 10541630903. The reversal of 10541630891 is 19803614501.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10541630891 is a prime.

It is a super-2 number, since 2×105416308912 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10541630821) 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, 320930 + ... + 352248.

It is an arithmetic number, because the mean of its divisors is an integer number (739089360).

Almost surely, 210541630891 is an apocalyptic number.

10541630891 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10541630891 is a deficient number, since it is larger than the sum of its proper divisors (1283798869).

10541630891 is a wasteful number, since it uses less digits than its factorization.

10541630891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32194.

The product of its (nonzero) digits is 25920, while the sum is 38.

The spelling of 10541630891 in words is "ten billion, five hundred forty-one million, six hundred thirty thousand, eight hundred ninety-one".

Divisors: 1 11 37 407 827 9097 30599 31319 336589 344509 1158803 12746833 25900813 284908943 958330081 10541630891