Search a number
-
+
1293893013 = 37106957637
BaseRepresentation
bin100110100011111…
…0011110110010101
310100011200120112110
41031013303312111
510122214034023
6332220341233
744030623560
oct11507636625
93304616473
101293893013
11604406a76
123013a4819
131780aa38a
14c3bb14d7
15788d5a93
hex4d1f3d95

1293893013 has 16 divisors (see below), whose sum is σ = 1973525120. Its totient is φ = 738662976.

The previous prime is 1293893011. The next prime is 1293893017. The reversal of 1293893013 is 3103983921.

It is not a de Polignac number, because 1293893013 - 21 = 1293893011 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1293893011) 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, 6370 + ... + 51267.

It is an arithmetic number, because the mean of its divisors is an integer number (123345320).

Almost surely, 21293893013 is an apocalyptic number.

It is an amenable number.

1293893013 is a deficient number, since it is larger than the sum of its proper divisors (679632107).

1293893013 is a wasteful number, since it uses less digits than its factorization.

1293893013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58716.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 1293893013 is about 35970.7243880353. The cubic root of 1293893013 is about 1089.6811942539.

The spelling of 1293893013 in words is "one billion, two hundred ninety-three million, eight hundred ninety-three thousand, thirteen".

Divisors: 1 3 7 21 1069 3207 7483 22449 57637 172911 403459 1210377 61613953 184841859 431297671 1293893013