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31112034490 = 254951628399
BaseRepresentation
bin11100111110011010…
…111111100010111010
32222022020210002220201
4130332122333202322
51002204140100430
622143114512414
72150661633625
oct347632774272
988266702821
1031112034490
1112215a28aa9
12604343570a
132c1a89a684
141711ddadbc
15c2158a8ca
hex73e6bf8ba

31112034490 has 16 divisors (see below), whose sum is σ = 56013062400. Its totient is φ = 12442280400.

The previous prime is 31112034463. The next prime is 31112034491. The reversal of 31112034490 is 9443021113.

It is not an unprimeable number, because it can be changed into a prime (31112034491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264690 + ... + 363709.

It is an arithmetic number, because the mean of its divisors is an integer number (3500816400).

Almost surely, 231112034490 is an apocalyptic number.

31112034490 is a deficient number, since it is larger than the sum of its proper divisors (24901027910).

31112034490 is a wasteful number, since it uses less digits than its factorization.

31112034490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633357.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 31112034490 in words is "thirty-one billion, one hundred twelve million, thirty-four thousand, four hundred ninety".

Divisors: 1 2 5 10 4951 9902 24755 49510 628399 1256798 3141995 6283990 3111203449 6222406898 15556017245 31112034490