Search a number
-
+
103132111220 = 22513033957487
BaseRepresentation
bin110000000001100100…
…1110010000101110100
3100212012110021002002222
41200003021302011310
53142203310024340
6115213411021512
710310465324045
oct1400311620564
9325173232088
10103132111220
113a81342a676
1217ba289a898
13995769b6a8
144dc50168cc
152a391c78b5
hex1803272174

103132111220 has 24 divisors (see below), whose sum is σ = 216743702784. Its totient is φ = 41221174176.

The previous prime is 103132111217. The next prime is 103132111241. The reversal of 103132111220 is 22111231301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1952684 + ... + 2004803.

It is an arithmetic number, because the mean of its divisors is an integer number (9030987616).

Almost surely, 2103132111220 is an apocalyptic number.

103132111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103132111220 is an abundant number, since it is smaller than the sum of its proper divisors (113611591564).

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

103132111220 is a wasteful number, since it uses less digits than its factorization.

103132111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3958799 (or 3958797 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 103132111220 its reverse (22111231301), we get a palindrome (125243342521).

The spelling of 103132111220 in words is "one hundred three billion, one hundred thirty-two million, one hundred eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1303 2606 5212 6515 13030 26060 3957487 7914974 15829948 19787435 39574870 79149740 5156605561 10313211122 20626422244 25783027805 51566055610 103132111220