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103121100304 = 2421601298369
BaseRepresentation
bin110000000001001111…
…1110001111000010000
3100212011200112122222021
41200002133301320100
53142143000202204
6115212335021224
710310302614205
oct1400237617020
9325150478867
10103121100304
113a808199a42
1217b9b06a814
139955314961
144dc378bcac
152a38250154
hex18027f1e10

103121100304 has 20 divisors (see below), whose sum is σ = 199807050940. Its totient is φ = 51557990400.

The previous prime is 103121100283. The next prime is 103121100311. The reversal of 103121100304 is 403001121301.

It can be written as a sum of positive squares in 2 ways, for example, as 91119459600 + 12001640704 = 301860^2 + 109552^2 .

It is a super-2 number, since 2×1031211003042 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196432 + ... + 494800.

It is an arithmetic number, because the mean of its divisors is an integer number (9990352547).

Almost surely, 2103121100304 is an apocalyptic number.

It is an amenable number.

103121100304 is a deficient number, since it is larger than the sum of its proper divisors (96685950636).

103121100304 is a wasteful number, since it uses less digits than its factorization.

103121100304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319978 (or 319972 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 103121100304 its reverse (403001121301), we get a palindrome (506122221605).

The spelling of 103121100304 in words is "one hundred three billion, one hundred twenty-one million, one hundred thousand, three hundred four".

Divisors: 1 2 4 8 16 21601 43202 86404 172808 298369 345616 596738 1193476 2386952 4773904 6445068769 12890137538 25780275076 51560550152 103121100304