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103121230320023 = 279473689885509
BaseRepresentation
bin10111011100100111001000…
…010011010101000110010111
3111112010021220211211011000112
4113130213020103111012113
5102004014234430220043
61003153123400433235
730502156135130516
oct2734471023250627
9445107824734015
10103121230320023
112a948517172683
12b69570347881b
1345703a0a0c206
141b671465d467d
15bdc646ee3518
hex5dc9c84d5197

103121230320023 has 4 divisors (see below), whose sum is σ = 103124920233480. Its totient is φ = 103117540406568.

The previous prime is 103121230319983. The next prime is 103121230320061. The reversal of 103121230320023 is 320023032121301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103121230320023 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 (103121230320323) 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, 1844914808 + ... + 1844970701.

It is an arithmetic number, because the mean of its divisors is an integer number (25781230058370).

Almost surely, 2103121230320023 is an apocalyptic number.

103121230320023 is a deficient number, since it is larger than the sum of its proper divisors (3689913457).

103121230320023 is an equidigital number, since it uses as much as digits as its factorization.

103121230320023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3689913456.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 103121230320023 its reverse (320023032121301), we get a palindrome (423144262441324).

The spelling of 103121230320023 in words is "one hundred three trillion, one hundred twenty-one billion, two hundred thirty million, three hundred twenty thousand, twenty-three".

Divisors: 1 27947 3689885509 103121230320023