Search a number
-
+
103332231031220 = 22520117256828133
BaseRepresentation
bin10111011111101011101000…
…111011001010100110110100
3111112212110112211212212022222
4113133223220323022212310
5102020443402120444340
61003434101022141512
730523336004442032
oct2737535073124664
9445773484785288
10103332231031220
112aa19a53607a34
12b70a58b121898
134587259144649
141b734416cd552
15be2d960e78b5
hex5dfae8eca9b4

103332231031220 has 24 divisors (see below), whose sum is σ = 217008472792104. Its totient is φ = 41330837626496.

The previous prime is 103332231031193. The next prime is 103332231031229. The reversal of 103332231031220 is 22130132233301.

It can be written as a sum of positive squares in 4 ways, for example, as 14761056208144 + 88571174823076 = 3842012^2 + 9411226^2 .

It is a super-2 number, since 2×1033322310312202 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103332231031220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103332231031229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128011727 + ... + 128816406.

It is an arithmetic number, because the mean of its divisors is an integer number (9042019699671).

Almost surely, 2103332231031220 is an apocalyptic number.

103332231031220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103332231031220 is an abundant number, since it is smaller than the sum of its proper divisors (113676241760884).

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

103332231031220 is a wasteful number, since it uses less digits than its factorization.

103332231031220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256848259 (or 256848257 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 103332231031220 its reverse (22130132233301), we get a palindrome (125462363264521).

The spelling of 103332231031220 in words is "one hundred three trillion, three hundred thirty-two billion, two hundred thirty-one million, thirty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 20117 40234 80468 100585 201170 402340 256828133 513656266 1027312532 1284140665 2568281330 5136562660 5166611551561 10333223103122 20666446206244 25833057757805 51666115515610 103332231031220