Search a number
-
+
31017720407074 = 223674298269719
BaseRepresentation
bin1110000110101111000000…
…01101001110010000100010
311001211021011021012010121021
413003113200031032100202
513031143242411011244
6145545202151320054
76350646012203512
oct703274015162042
9131737137163537
1031017720407074
1199795a55a3075
12358b53798002a
13143cc5ca3405b
147933a103d842
1538bc970bb284
hex1c35e034e422

31017720407074 has 8 divisors (see below), whose sum is σ = 48549475419840. Its totient is φ = 14834561933796.

The previous prime is 31017720407059. The next prime is 31017720407161. The reversal of 31017720407074 is 47070402771013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 31017720407074.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337149134814 + ... + 337149134905.

It is an arithmetic number, because the mean of its divisors is an integer number (6068684427480).

Almost surely, 231017720407074 is an apocalyptic number.

31017720407074 is a deficient number, since it is larger than the sum of its proper divisors (17531755012766).

31017720407074 is a wasteful number, since it uses less digits than its factorization.

31017720407074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674298269744.

The product of its (nonzero) digits is 230496, while the sum is 43.

The spelling of 31017720407074 in words is "thirty-one trillion, seventeen billion, seven hundred twenty million, four hundred seven thousand, seventy-four".

Divisors: 1 2 23 46 674298269719 1348596539438 15508860203537 31017720407074