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103312123001 = 971065073433
BaseRepresentation
bin110000000110111100…
…0011110010001111001
3100212122222222121211222
41200031320132101321
53143040400414001
6115243321201425
710315112361533
oct1401570362171
9325588877758
10103312123001
113a8a600013a
1218033030275
139985a77a39
145000cb4853
152a49dd461b
hex180de1e479

103312123001 has 4 divisors (see below), whose sum is σ = 104377196532. Its totient is φ = 102247049472.

The previous prime is 103312122961. The next prime is 103312123027. The reversal of 103312123001 is 100321213301.

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 64872599401 + 38439523600 = 254701^2 + 196060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103312123001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103312123601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532536620 + ... + 532536813.

It is an arithmetic number, because the mean of its divisors is an integer number (26094299133).

Almost surely, 2103312123001 is an apocalyptic number.

It is an amenable number.

103312123001 is a deficient number, since it is larger than the sum of its proper divisors (1065073531).

103312123001 is an equidigital number, since it uses as much as digits as its factorization.

103312123001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065073530.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 103312123001 its reverse (100321213301), we get a palindrome (203633336302).

The spelling of 103312123001 in words is "one hundred three billion, three hundred twelve million, one hundred twenty-three thousand, one".

Divisors: 1 97 1065073433 103312123001