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105374789440 = 265329296217
BaseRepresentation
bin110001000100011010…
…0111010111101000000
3101001222202020221021021
41202020310322331000
53211301421230230
6120224123235224
710420166634364
oct1421064727500
9331882227237
10105374789440
1140764359a48
1218509978b14
139c241c391b
145158c032a4
152b1b024c7a
hex1888d3af40

105374789440 has 28 divisors (see below), whose sum is σ = 250923718116. Its totient is φ = 42149915648.

The previous prime is 105374789437. The next prime is 105374789449. The reversal of 105374789440 is 44987473501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 33301870144 + 72072919296 = 182488^2 + 268464^2 .

It is a super-2 number, since 2×1053747894402 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105374789449) 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, 164647789 + ... + 164648428.

Almost surely, 2105374789440 is an apocalyptic number.

105374789440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105374789440 is an abundant number, since it is smaller than the sum of its proper divisors (145548928676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105374789440 is an equidigital number, since it uses as much as digits as its factorization.

105374789440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329296234 (or 329296224 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 105374789440 in words is "one hundred five billion, three hundred seventy-four million, seven hundred eighty-nine thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 329296217 658592434 1317184868 1646481085 2634369736 3292962170 5268739472 6585924340 10537478944 13171848680 21074957888 26343697360 52687394720 105374789440