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103338345809209 = 7214522212
BaseRepresentation
bin10111011111110001010101…
…011001001100010100111001
3111112220001022222220202210211
4113133301111121030110321
5102021043413011343314
61003440551455111121
730523643354262100
oct2737612531142471
9445801288822724
10103338345809209
112aa21601203165
12b70b7b6b124a1
1345879c1c29484
141b73861859037
15be3102d539c4
hex5dfc5564c539

103338345809209 has 9 divisors (see below), whose sum is σ = 120209995248591. Its totient is φ = 88575663986040.

The previous prime is 103338345809161. The next prime is 103338345809227. The reversal of 103338345809209 is 902908543833301.

The square root of 103338345809209 is 10165547.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 103282564816809 + 55780992400 = 10162803^2 + 236180^2 .

It is not a de Polignac number, because 103338345809209 - 221 = 103338343712057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103338345806209) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 70432719 + ... + 71884939.

Almost surely, 2103338345809209 is an apocalyptic number.

103338345809209 is the 10165547-th square number.

103338345809209 is the 5082774-th centered octagonal number.

It is an amenable number.

103338345809209 is a deficient number, since it is larger than the sum of its proper divisors (16871649439382).

103338345809209 is an frugal number, since it uses more digits than its factorization.

103338345809209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904456 (or 1452228 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 58.

The spelling of 103338345809209 in words is "one hundred three trillion, three hundred thirty-eight billion, three hundred forty-five million, eight hundred nine thousand, two hundred nine".

Divisors: 1 7 49 1452221 10165547 71158829 2108945832841 14762620829887 103338345809209