Search a number
-
+
32013030140 = 225713176715443
BaseRepresentation
bin11101110100001000…
…000001001011111100
310001122001011102120222
4131310020001023330
51011030313431030
622412342200512
72212212160250
oct356410011374
9101561142528
1032013030140
1112638580403
126255123138
1330324522b0
141799936260
15c757123e5
hex7742012fc

32013030140 has 192 divisors, whose sum is σ = 88921857024. Its totient is φ = 9392689152.

The previous prime is 32013030113. The next prime is 32013030149. The reversal of 32013030140 is 4103031023.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32013030149) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2065259 + ... + 2080701.

It is an arithmetic number, because the mean of its divisors is an integer number (463134672).

Almost surely, 232013030140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32013030140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44460928512).

32013030140 is an abundant number, since it is smaller than the sum of its proper divisors (56908826884).

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

32013030140 is a wasteful number, since it uses less digits than its factorization.

32013030140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15556 (or 15554 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 32013030140 its reverse (4103031023), we get a palindrome (36116061163).

The spelling of 32013030140 in words is "thirty-two billion, thirteen million, thirty thousand, one hundred forty".