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103225115161 = 780833182431
BaseRepresentation
bin110000000100010110…
…0100100001000011001
3100212102221021011112101
41200020230210020121
53142401112141121
6115230532243401
710313005000420
oct1401054441031
9325387234471
10103225115161
113a860982933
1218009a70561
139970a329cc
144dd35062b7
152a42449491
hex1808b24219

103225115161 has 8 divisors (see below), whose sum is σ = 117973666304. Its totient is φ = 88477090560.

The previous prime is 103225115107. The next prime is 103225115171. The reversal of 103225115161 is 161511522301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103225115161 - 211 = 103225113113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103225115171) 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, 474616 + ... + 657046.

It is an arithmetic number, because the mean of its divisors is an integer number (14746708288).

Almost surely, 2103225115161 is an apocalyptic number.

It is an amenable number.

103225115161 is a deficient number, since it is larger than the sum of its proper divisors (14748551143).

103225115161 is an equidigital number, since it uses as much as digits as its factorization.

103225115161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263271.

The product of its (nonzero) digits is 1800, while the sum is 28.

Adding to 103225115161 its reverse (161511522301), we get a palindrome (264736637462).

The spelling of 103225115161 in words is "one hundred three billion, two hundred twenty-five million, one hundred fifteen thousand, one hundred sixty-one".

Divisors: 1 7 80833 182431 565831 1277017 14746445023 103225115161