Search a number
-
+
120431431132 = 22144720807089
BaseRepresentation
bin111000000101001000…
…1011100110111011100
3102111212001222120202021
41300022101130313130
53433120421244012
6131154143305524
711462255163055
oct1601221346734
9374761876667
10120431431132
1147090448781
121b4102ab2a4
13b4836b216c
145b8676d72c
1531eccc7007
hex1c0a45cddc

120431431132 has 12 divisors (see below), whose sum is σ = 210900664240. Its totient is φ = 60174098496.

The previous prime is 120431431111. The next prime is 120431431171. The reversal of 120431431132 is 231134134021.

It is a junction number, because it is equal to n+sod(n) for n = 120431431097 and 120431431106.

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, 10397757 + ... + 10409332.

Almost surely, 2120431431132 is an apocalyptic number.

It is an amenable number.

120431431132 is a deficient number, since it is larger than the sum of its proper divisors (90469233108).

120431431132 is a wasteful number, since it uses less digits than its factorization.

120431431132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20808540 (or 20808538 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 120431431132 its reverse (231134134021), we get a palindrome (351565565153).

The spelling of 120431431132 in words is "one hundred twenty billion, four hundred thirty-one million, four hundred thirty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 1447 2894 5788 20807089 41614178 83228356 30107857783 60215715566 120431431132