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103117015161 = 3227142278399
BaseRepresentation
bin110000000001001000…
…0001100100001111001
3100212011101212010012200
41200002100030201321
53142140423441121
6115212111300413
710310223111156
oct1400220144171
9325141763180
10103117015161
113a805959796
1217b9981a709
139954514404
144dc300722d
152a37be4a26
hex180240c879

103117015161 has 12 divisors (see below), whose sum is σ = 149496422400. Its totient is φ = 68491004760.

The previous prime is 103117015159. The next prime is 103117015181. The reversal of 103117015161 is 161510711301.

It is not a de Polignac number, because 103117015161 - 21 = 103117015159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103117015181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21136761 + ... + 21141638.

It is an arithmetic number, because the mean of its divisors is an integer number (12458035200).

Almost surely, 2103117015161 is an apocalyptic number.

It is an amenable number.

103117015161 is a deficient number, since it is larger than the sum of its proper divisors (46379407239).

103117015161 is a wasteful number, since it uses less digits than its factorization.

103117015161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42278676 (or 42278673 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 27.

Adding to 103117015161 its reverse (161510711301), we get a palindrome (264627726462).

The spelling of 103117015161 in words is "one hundred three billion, one hundred seventeen million, fifteen thousand, one hundred sixty-one".

Divisors: 1 3 9 271 813 2439 42278399 126835197 380505591 11457446129 34372338387 103117015161