Search a number
-
+
313232102220 = 223514197367721
BaseRepresentation
bin1001000111011100001…
…01101001001101001100
31002221111200110110121010
410203232011221031030
520112444404232340
6355521415005220
731426116640002
oct4435605511514
91087450413533
10313232102220
111109283a0574
1250858969810
13236cb3176ab
1411236648a72
1582341abb80
hex48ee16934c

313232102220 has 48 divisors (see below), whose sum is σ = 877114048608. Its totient is φ = 83522449920.

The previous prime is 313232102207. The next prime is 313232102303. The reversal of 313232102220 is 22201232313.

It is a happy number.

It is a super-2 number, since 2×3132321022202 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 667960 + ... + 1035680.

It is an arithmetic number, because the mean of its divisors is an integer number (18273209346).

Almost surely, 2313232102220 is an apocalyptic number.

313232102220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313232102220 is an abundant number, since it is smaller than the sum of its proper divisors (563881946388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313232102220 is a wasteful number, since it uses less digits than its factorization.

313232102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381930 (or 381928 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 313232102220 its reverse (22201232313), we get a palindrome (335433334533).

The spelling of 313232102220 in words is "three hundred thirteen billion, two hundred thirty-two million, one hundred two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 14197 28394 42591 56788 70985 85182 141970 170364 212955 283940 367721 425910 735442 851820 1103163 1470884 1838605 2206326 3677210 4412652 5515815 7354420 11031630 22063260 5220535037 10441070074 15661605111 20882140148 26102675185 31323210222 52205350370 62646420444 78308025555 104410700740 156616051110 313232102220