Search a number
-
+
1831038315051 = 31173673753139
BaseRepresentation
bin11010101001010010011…
…000110110101000101011
320111001020012121221022210
4122221102120312220223
5214444431302040201
63521100053420203
7246200556610341
oct32512230665053
96431205557283
101831038315051
116465a2437130
12256a4b03a663
131038877710ba
14648a0a99991
15329698d11d6
hex1aa52636a2b

1831038315051 has 16 divisors (see below), whose sum is σ = 2663368145280. Its totient is φ = 1109703654720.

The previous prime is 1831038315049. The next prime is 1831038315079. The reversal of 1831038315051 is 1505138301381.

It is not a de Polignac number, because 1831038315051 - 21 = 1831038315049 is a prime.

It is a super-2 number, since 2×18310383150512 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1831038315031) 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, 2054640 + ... + 2807778.

It is an arithmetic number, because the mean of its divisors is an integer number (166460509080).

Almost surely, 21831038315051 is an apocalyptic number.

1831038315051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1831038315051 is a deficient number, since it is larger than the sum of its proper divisors (832329830229).

1831038315051 is a wasteful number, since it uses less digits than its factorization.

1831038315051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826826.

The product of its (nonzero) digits is 43200, while the sum is 39.

The spelling of 1831038315051 in words is "one trillion, eight hundred thirty-one billion, thirty-eight million, three hundred fifteen thousand, fifty-one".

Divisors: 1 3 11 33 73673 221019 753139 810403 2259417 2431209 8284529 24853587 55486009547 166458028641 610346105017 1831038315051