Search a number
-
+
1315863030 = 23543862101
BaseRepresentation
bin100111001101110…
…0111100111110110
310101201000202201210
41032123213213312
510143330104110
6334323302250
744415436236
oct11633474766
93351022653
101315863030
11615852409
1230881a986
1317c8003a1
14c6a8dcc6
157a7c5520
hex4e6e79f6

1315863030 has 16 divisors (see below), whose sum is σ = 3158071344. Its totient is φ = 350896800.

The previous prime is 1315863011. The next prime is 1315863041. The reversal of 1315863030 is 303685131.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 43862101 = 1315863030 / (1 + 3 + 1 + 5 + 8 + 6 + 3 + 0 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21931021 + ... + 21931080.

It is an arithmetic number, because the mean of its divisors is an integer number (197379459).

Almost surely, 21315863030 is an apocalyptic number.

1315863030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1315863030 is an abundant number, since it is smaller than the sum of its proper divisors (1842208314).

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

1315863030 is a wasteful number, since it uses less digits than its factorization.

1315863030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43862111.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1315863030 is about 36274.8263951738. The cubic root of 1315863030 is about 1095.8141273539.

The spelling of 1315863030 in words is "one billion, three hundred fifteen million, eight hundred sixty-three thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 43862101 87724202 131586303 219310505 263172606 438621010 657931515 1315863030