Search a number
-
+
31026904432 = 246732881399
BaseRepresentation
bin11100111001010110…
…001111110101110000
32222002022121001102121
4130321112033311300
51002020341420212
622130434124024
72145606223216
oct347126176560
988068531377
1031026904432
1112181973587
12601aa20614
132c06062264
14170499acb6
15c18d71d07
hex73958fd70

31026904432 has 20 divisors (see below), whose sum is σ = 60203971600. Its totient is φ = 15490395648.

The previous prime is 31026904429. The next prime is 31026904463. The reversal of 31026904432 is 23440962013.

It is a happy number.

It is a super-2 number, since 2×310269044322 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1429932 + ... + 1451467.

It is an arithmetic number, because the mean of its divisors is an integer number (3010198580).

Almost surely, 231026904432 is an apocalyptic number.

It is an amenable number.

31026904432 is a deficient number, since it is larger than the sum of its proper divisors (29177067168).

31026904432 is a wasteful number, since it uses less digits than its factorization.

31026904432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2882080 (or 2882074 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 31026904432 in words is "thirty-one billion, twenty-six million, nine hundred four thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 673 1346 2692 5384 10768 2881399 5762798 11525596 23051192 46102384 1939181527 3878363054 7756726108 15513452216 31026904432