Search a number
-
+
31347473564 = 2211712442581
BaseRepresentation
bin11101001100011101…
…000111110010011100
32222220122210122121102
4131030131013302130
51003144423123224
622222325052232
72156551062131
oct351435076234
988818718542
1031347473564
1112326916950
1260aa257078
132c575b2534
1417353a6588
15c370954ae
hex74c747c9c

31347473564 has 12 divisors (see below), whose sum is σ = 59845176888. Its totient is φ = 14248851600.

The previous prime is 31347473557. The next prime is 31347473579. The reversal of 31347473564 is 46537474313.

It is a congruent number.

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, 356221247 + ... + 356221334.

It is an arithmetic number, because the mean of its divisors is an integer number (4987098074).

Almost surely, 231347473564 is an apocalyptic number.

It is an amenable number.

31347473564 is a deficient number, since it is larger than the sum of its proper divisors (28497703324).

31347473564 is a wasteful number, since it uses less digits than its factorization.

31347473564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712442596 (or 712442594 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 47.

The spelling of 31347473564 in words is "thirty-one billion, three hundred forty-seven million, four hundred seventy-three thousand, five hundred sixty-four".

Divisors: 1 2 4 11 22 44 712442581 1424885162 2849770324 7836868391 15673736782 31347473564