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103110232001021 = 714730033143003
BaseRepresentation
bin10111011100011100111000…
…110000000100100111111101
3111112002020112100112122200022
4113130130320300010213331
5102003324223343013041
61003144104152341525
730501316446015530
oct2734347060044775
9445066470478608
10103110232001021
112a943892982843
12b6935540a48a5
13456c33a252a4b
141b667c1a40a17
15bdc20168724b
hex5dc738c049fd

103110232001021 has 4 divisors (see below), whose sum is σ = 117840265144032. Its totient is φ = 88380198858012.

The previous prime is 103110232001011. The next prime is 103110232001087. The reversal of 103110232001021 is 120100232011301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103110232001021 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 (103110232001011) 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, 7365016571495 + ... + 7365016571508.

It is an arithmetic number, because the mean of its divisors is an integer number (29460066286008).

Almost surely, 2103110232001021 is an apocalyptic number.

It is an amenable number.

103110232001021 is a deficient number, since it is larger than the sum of its proper divisors (14730033143011).

103110232001021 is an equidigital number, since it uses as much as digits as its factorization.

103110232001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14730033143010.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 103110232001021 its reverse (120100232011301), we get a palindrome (223210464012322).

The spelling of 103110232001021 in words is "one hundred three trillion, one hundred ten billion, two hundred thirty-two million, one thousand, twenty-one".

Divisors: 1 7 14730033143003 103110232001021