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1042135653 = 31347568541
BaseRepresentation
bin111110000111011…
…011101001100101
32200121221222100210
4332013123221211
54113241320103
6251224330033
734553002236
oct7607335145
92617858323
101042135653
11495292a39
12251013919
13137ba0b20
149c59908d
1561755e03
hex3e1dba65

1042135653 has 16 divisors (see below), whose sum is σ = 1528240896. Its totient is φ = 627668160.

The previous prime is 1042135637. The next prime is 1042135667. The reversal of 1042135653 is 3565312401.

It is not a de Polignac number, because 1042135653 - 24 = 1042135637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1042135653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042115653) 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, 282438 + ... + 286103.

It is an arithmetic number, because the mean of its divisors is an integer number (95515056).

Almost surely, 21042135653 is an apocalyptic number.

1042135653 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1042135653 is a deficient number, since it is larger than the sum of its proper divisors (486105243).

1042135653 is a wasteful number, since it uses less digits than its factorization.

1042135653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568604.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1042135653 is about 32282.1259058322. The cubic root of 1042135653 is about 1013.8524414827.

The spelling of 1042135653 in words is "one billion, forty-two million, one hundred thirty-five thousand, six hundred fifty-three".

Divisors: 1 3 13 39 47 141 611 1833 568541 1705623 7391033 22173099 26721427 80164281 347378551 1042135653