Search a number
-
+
31350483772 = 227837620943
BaseRepresentation
bin11101001100101000…
…100110101100111100
32222220212110120211121
4131030220212230330
51003201210440042
622222513400324
72156615500216
oct351450465474
988825416747
1031350483772
1112328592523
1260ab2690a4
132c580c771a
14173594b5b6
15c3748c367
hex74ca26b3c

31350483772 has 6 divisors (see below), whose sum is σ = 54863346608. Its totient is φ = 15675241884.

The previous prime is 31350483763. The next prime is 31350483779. The reversal of 31350483772 is 27738405313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31350483779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3918810468 + ... + 3918810475.

Almost surely, 231350483772 is an apocalyptic number.

It is an amenable number.

31350483772 is a deficient number, since it is larger than the sum of its proper divisors (23512862836).

31350483772 is a wasteful number, since it uses less digits than its factorization.

31350483772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7837620947 (or 7837620945 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 31350483772 in words is "thirty-one billion, three hundred fifty million, four hundred eighty-three thousand, seven hundred seventy-two".

Divisors: 1 2 4 7837620943 15675241886 31350483772