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1311113298 = 231123863711
BaseRepresentation
bin100111000100110…
…0000000001010010
310101101002110022210
41032021200001102
510141121111143
6334033412550
744330164515
oct11611400122
93341073283
101311113298
116130a8910
1230710a156
1317b8294b1
14c61b4d7c
157a188033
hex4e260052

1311113298 has 32 divisors (see below), whose sum is σ = 2984988672. Its totient is φ = 380032400.

The previous prime is 1311113273. The next prime is 1311113299. The reversal of 1311113298 is 8923111131.

It is not an unprimeable number, because it can be changed into a prime (1311113299) 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, 430338 + ... + 433373.

It is an arithmetic number, because the mean of its divisors is an integer number (93280896).

Almost surely, 21311113298 is an apocalyptic number.

1311113298 is an abundant number, since it is smaller than the sum of its proper divisors (1673875374).

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

1311113298 is a wasteful number, since it uses less digits than its factorization.

1311113298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863750.

The product of its digits is 1296, while the sum is 30.

The square root of 1311113298 is about 36209.2985019042. The cubic root of 1311113298 is about 1094.4940562090.

The spelling of 1311113298 in words is "one billion, three hundred eleven million, one hundred thirteen thousand, two hundred ninety-eight".

Divisors: 1 2 3 6 11 22 23 33 46 66 69 138 253 506 759 1518 863711 1727422 2591133 5182266 9500821 19001642 19865353 28502463 39730706 57004926 59596059 119192118 218518883 437037766 655556649 1311113298