Search a number
-
+
31444428716 = 227861107179
BaseRepresentation
bin11101010010001110…
…111110011110101100
310000011102020111001222
4131102032332132230
51003344233204331
622240111122512
72162136143201
oct352216763654
9100142214058
1031444428716
1112376618778
126116813438
132c716cb14c
141744203ca8
15c40847b7b
hex7523be7ac

31444428716 has 6 divisors (see below), whose sum is σ = 55027750260. Its totient is φ = 15722214356.

The previous prime is 31444428623. The next prime is 31444428733. The reversal of 31444428716 is 61782444413.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3930553586 + ... + 3930553593.

It is an arithmetic number, because the mean of its divisors is an integer number (9171291710).

Almost surely, 231444428716 is an apocalyptic number.

It is an amenable number.

31444428716 is a deficient number, since it is larger than the sum of its proper divisors (23583321544).

31444428716 is a wasteful number, since it uses less digits than its factorization.

31444428716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7861107183 (or 7861107181 counting only the distinct ones).

The product of its digits is 516096, while the sum is 44.

The spelling of 31444428716 in words is "thirty-one billion, four hundred forty-four million, four hundred twenty-eight thousand, seven hundred sixteen".

Divisors: 1 2 4 7861107179 15722214358 31444428716