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1042240013 = 37199141551
BaseRepresentation
bin111110000111110…
…101001000001101
32200122011021111222
4332013311020031
54113303140023
6251230453125
734553615423
oct7607651015
92618137458
101042240013
11495354391
122510641a5
13137c09489
149c5c5113
1561776cc8
hex3e1f520d

1042240013 has 8 divisors (see below), whose sum is σ = 1075795200. Its totient is φ = 1008968400.

The previous prime is 1042239973. The next prime is 1042240021. The reversal of 1042240013 is 3100422401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1042240013 - 26 = 1042239949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1042239973 and 1042240000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045240013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63413 + ... + 78138.

It is an arithmetic number, because the mean of its divisors is an integer number (134474400).

Almost surely, 21042240013 is an apocalyptic number.

It is an amenable number.

1042240013 is a deficient number, since it is larger than the sum of its proper divisors (33555187).

1042240013 is a wasteful number, since it uses less digits than its factorization.

1042240013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141787.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1042240013 is about 32283.7422397094. The cubic root of 1042240013 is about 1013.8862829213.

Adding to 1042240013 its reverse (3100422401), we get a palindrome (4142662414).

The spelling of 1042240013 in words is "one billion, forty-two million, two hundred forty thousand, thirteen".

Divisors: 1 37 199 7363 141551 5237387 28168649 1042240013