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311006640404 = 22167759161333
BaseRepresentation
bin1001000011010010111…
…00001011100100010100
31002201202120212021220102
410201221130023210110
520043420144443104
6354512515353232
731320014553065
oct4415134134424
91081676767812
10311006640404
1110a996160129
12503375b2818
132343523c895
14110a4c6056c
158153b10a1e
hex486970b914

311006640404 has 24 divisors (see below), whose sum is σ = 547601728128. Its totient is φ = 154549280160.

The previous prime is 311006640397. The next prime is 311006640409. The reversal of 311006640404 is 404046600113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311006640409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5040122 + ... + 5101454.

It is an arithmetic number, because the mean of its divisors is an integer number (22816738672).

Almost surely, 2311006640404 is an apocalyptic number.

It is an amenable number.

311006640404 is a deficient number, since it is larger than the sum of its proper divisors (236595087724).

311006640404 is a wasteful number, since it uses less digits than its factorization.

311006640404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69095 (or 69093 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 311006640404 in words is "three hundred eleven billion, six million, six hundred forty thousand, four hundred four".

Divisors: 1 2 4 167 334 668 7591 15182 30364 61333 122666 245332 1267697 2535394 5070788 10242611 20485222 40970444 465578803 931157606 1862315212 77751660101 155503320202 311006640404