Search a number
-
+
31112423009974 = 2109712120041783
BaseRepresentation
bin1110001001011111011001…
…11010111110111010110110
311002011022121020211211011101
413010233230322332322312
513034221220242304344
6150100503321000314
76360540563065555
oct704575472767266
9132138536754141
1031112423009974
119a05782765339
1235a596762309a
131448b72bb8aa7
14797bc6705d9c
1538e48b2069d4
hex1c4becebeeb6

31112423009974 has 16 divisors (see below), whose sum is σ = 47103403263840. Its totient is φ = 15411328686720.

The previous prime is 31112423009971. The next prime is 31112423010001. The reversal of 31112423009974 is 47990032421113.

It is a super-2 number, since 2×311124230099742 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31112423009971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8468514 + ... + 11573269.

It is an arithmetic number, because the mean of its divisors is an integer number (2943962703990).

Almost surely, 231112423009974 is an apocalyptic number.

31112423009974 is a deficient number, since it is larger than the sum of its proper divisors (15990980253866).

31112423009974 is a wasteful number, since it uses less digits than its factorization.

31112423009974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20049015.

The product of its (nonzero) digits is 326592, while the sum is 46.

It can be divided in two parts, 3111242 and 3009974, that added together give a palindrome (6121216).

The spelling of 31112423009974 in words is "thirty-one trillion, one hundred twelve billion, four hundred twenty-three million, nine thousand, nine hundred seventy-four".

Divisors: 1 2 109 218 7121 14242 776189 1552378 20041783 40083566 2184554347 4369108694 142717536743 285435073486 15556211504987 31112423009974