Search a number
-
+
31112646074 = 253293515529
BaseRepresentation
bin11100111110011101…
…010100110110111010
32222022021221011211222
4130332131110312322
51002204314133244
622143135552042
72151000061646
oct347635246672
988267834758
1031112646074
1112216306544
12604368b622
132c1aa52b63
141712119c26
15c2165bbee
hex73e754dba

31112646074 has 8 divisors (see below), whose sum is σ = 47549515860. Its totient is φ = 15262807456.

The previous prime is 31112646041. The next prime is 31112646079. The reversal of 31112646074 is 47064621113.

It can be written as a sum of positive squares in 2 ways, for example, as 31061595049 + 51051025 = 176243^2 + 7145^2 .

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

It is a super-2 number, since 2×311126460742 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31112646079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146757659 + ... + 146757870.

Almost surely, 231112646074 is an apocalyptic number.

31112646074 is a deficient number, since it is larger than the sum of its proper divisors (16436869786).

31112646074 is a wasteful number, since it uses less digits than its factorization.

31112646074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293515584.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 31112646074 in words is "thirty-one billion, one hundred twelve million, six hundred forty-six thousand, seventy-four".

Divisors: 1 2 53 106 293515529 587031058 15556323037 31112646074