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2689532923 = 721117377933
BaseRepresentation
bin1010000001001111…
…0000001111111011
320221102211102120111
42200103300033323
521002010023143
61122514005151
7123435436600
oct24023601773
96842742514
102689532923
111160197990
126308767b7
1333b2903cc
141b72aa6a7
1510b1b899d
hexa04f03fb

2689532923 has 48 divisors (see below), whose sum is σ = 3711969504. Its totient is φ = 1918909440.

The previous prime is 2689532921. The next prime is 2689532933. The reversal of 2689532923 is 3292359862.

2689532923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2689532923 - 21 = 2689532921 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2689532921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 335065 + ... + 342997.

It is an arithmetic number, because the mean of its divisors is an integer number (77332698).

Almost surely, 22689532923 is an apocalyptic number.

2689532923 is a deficient number, since it is larger than the sum of its proper divisors (1022436581).

2689532923 is a wasteful number, since it uses less digits than its factorization.

2689532923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8012 (or 8005 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 49.

The square root of 2689532923 is about 51860.7069273067. The cubic root of 2689532923 is about 1390.6749173096.

The spelling of 2689532923 in words is "two billion, six hundred eighty-nine million, five hundred thirty-two thousand, nine hundred twenty-three".

Divisors: 1 7 11 17 37 49 77 119 187 259 407 539 629 833 1309 1813 2849 4403 6919 7933 9163 19943 30821 48433 55531 87263 134861 293521 339031 388717 610841 944027 1483471 2054647 3228731 4275887 4989857 6608189 10384297 14382529 22601117 34928999 54888427 72690079 158207819 244502993 384218989 2689532923