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103415502145 = 520683100429
BaseRepresentation
bin110000001010000001…
…0110101010101000001
3100212221012111211101011
41200110002311111001
53143243332032040
6115301453040521
710320506156464
oct1402402652501
9325835454334
10103415502145
113a94939a44a
1218061786141
1399a1302627
1450109052db
152a540053ea
hex18140b5541

103415502145 has 4 divisors (see below), whose sum is σ = 124098602580. Its totient is φ = 82732401712.

The previous prime is 103415502121. The next prime is 103415502187. The reversal of 103415502145 is 541205514301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33926324481 + 69489177664 = 184191^2 + 263608^2 .

It is a cyclic number.

It is not a de Polignac number, because 103415502145 - 219 = 103414977857 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10341550210 + ... + 10341550219.

It is an arithmetic number, because the mean of its divisors is an integer number (31024650645).

Almost surely, 2103415502145 is an apocalyptic number.

It is an amenable number.

103415502145 is a deficient number, since it is larger than the sum of its proper divisors (20683100435).

103415502145 is an equidigital number, since it uses as much as digits as its factorization.

103415502145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20683100434.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 103415502145 in words is "one hundred three billion, four hundred fifteen million, five hundred two thousand, one hundred forty-five".

Divisors: 1 5 20683100429 103415502145