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103112550445 = 526577761577
BaseRepresentation
bin110000000000111111…
…1001010100000101101
3100212011002110021202211
41200001333022200231
53142133303103240
6115211431450421
710310140134412
oct1400177124055
9325132407684
10103112550445
113a80338a343
1217b98226a11
139953610178
144dc25a4109
152a37611bea
hex1801fca82d

103112550445 has 8 divisors (see below), whose sum is σ = 123781645944. Its totient is φ = 82458983424.

The previous prime is 103112550433. The next prime is 103112550449. The reversal of 103112550445 is 544055211301.

It can be written as a sum of positive squares in 4 ways, for example, as 1005460681 + 102107089764 = 31709^2 + 319542^2 .

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 103112550445 - 25 = 103112550413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103112550449) 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, 3867504 + ... + 3894073.

It is an arithmetic number, because the mean of its divisors is an integer number (15472705743).

Almost surely, 2103112550445 is an apocalyptic number.

It is an amenable number.

103112550445 is a deficient number, since it is larger than the sum of its proper divisors (20669095499).

103112550445 is an equidigital number, since it uses as much as digits as its factorization.

103112550445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7764239.

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

Adding to 103112550445 its reverse (544055211301), we get a palindrome (647167761746).

The spelling of 103112550445 in words is "one hundred three billion, one hundred twelve million, five hundred fifty thousand, four hundred forty-five".

Divisors: 1 5 2657 13285 7761577 38807885 20622510089 103112550445