Search a number
-
+
1313430042 = 232317953171
BaseRepresentation
bin100111001001001…
…0101101000011010
310101112110011022010
41032102111220122
510142214230132
6334155210350
744355654051
oct11622255032
93345404263
101313430042
11614440481
12307a469b6
1317c15ab52
14c6619398
157a4946cc
hex4e495a1a

1313430042 has 32 divisors (see below), whose sum is σ = 2756436480. Its totient is φ = 416427440.

The previous prime is 1313430023. The next prime is 1313430061. The reversal of 1313430042 is 2400343131.

It is an interprime number because it is at equal distance from previous prime (1313430023) and next prime (1313430061).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1884 + ... + 51287.

It is an arithmetic number, because the mean of its divisors is an integer number (86138640).

Almost surely, 21313430042 is an apocalyptic number.

1313430042 is an abundant number, since it is smaller than the sum of its proper divisors (1443006438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313430042 is a wasteful number, since it uses less digits than its factorization.

1313430042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53378.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1313430042 is about 36241.2753914649. The cubic root of 1313430042 is about 1095.1383357681.

Adding to 1313430042 its reverse (2400343131), we get a palindrome (3713773173).

The spelling of 1313430042 in words is "one billion, three hundred thirteen million, four hundred thirty thousand, forty-two".

Divisors: 1 2 3 6 23 46 69 138 179 358 537 1074 4117 8234 12351 24702 53171 106342 159513 319026 1222933 2445866 3668799 7337598 9517609 19035218 28552827 57105654 218905007 437810014 656715021 1313430042