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1313106222 = 23435089559
BaseRepresentation
bin100111001000100…
…0110100100101110
310101111211201002210
41032101012210232
510142123344342
6334144231250
744353135011
oct11621064456
93344751083
101313106222
1161423a15a
1230790b526
1317c07663c
14c6573378
157a42d79c
hex4e44692e

1313106222 has 16 divisors (see below), whose sum is σ = 2687287680. Its totient is φ = 427522872.

The previous prime is 1313106203. The next prime is 1313106241. The reversal of 1313106222 is 2226013131.

It is an interprime number because it is at equal distance from previous prime (1313106203) and next prime (1313106241).

It is a super-2 number, since 2×13131062222 = 3448495900510226568, which contains 22 as substring.

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, 2544522 + ... + 2545037.

It is an arithmetic number, because the mean of its divisors is an integer number (167955480).

Almost surely, 21313106222 is an apocalyptic number.

1313106222 is an abundant number, since it is smaller than the sum of its proper divisors (1374181458).

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

1313106222 is a wasteful number, since it uses less digits than its factorization.

1313106222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5089607.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1313106222 is about 36236.8075580617. The cubic root of 1313106222 is about 1095.0483279685.

Adding to 1313106222 its reverse (2226013131), we get a palindrome (3539119353).

The spelling of 1313106222 in words is "one billion, three hundred thirteen million, one hundred six thousand, two hundred twenty-two".

Divisors: 1 2 3 6 43 86 129 258 5089559 10179118 15268677 30537354 218851037 437702074 656553111 1313106222