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115620938740 = 2255781046937
BaseRepresentation
bin110101110101110001…
…0111000001111110100
3102001102211012020202101
41223223202320033310
53343242430014430
6125040541551444
711232123522646
oct1535342701764
9361384166671
10115620938740
114504200762a
121a4a9275584
13ab97ba5b68
14584b91c896
15301a805dca
hex1aeb8b83f4

115620938740 has 12 divisors (see below), whose sum is σ = 242803971396. Its totient is φ = 46248375488.

The previous prime is 115620938729. The next prime is 115620938749. The reversal of 115620938740 is 47839026511.

It can be written as a sum of positive squares in 2 ways, for example, as 53133938064 + 62487000676 = 230508^2 + 249974^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115620938749) 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, 2890523449 + ... + 2890523488.

It is an arithmetic number, because the mean of its divisors is an integer number (20233664283).

It is a 1-persistent number, because it is pandigital, but 2⋅115620938740 = 231241877480 is not.

Almost surely, 2115620938740 is an apocalyptic number.

115620938740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115620938740 is an abundant number, since it is smaller than the sum of its proper divisors (127183032656).

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

115620938740 is a wasteful number, since it uses less digits than its factorization.

115620938740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5781046946 (or 5781046944 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 115620938740 in words is "one hundred fifteen billion, six hundred twenty million, nine hundred thirty-eight thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 5781046937 11562093874 23124187748 28905234685 57810469370 115620938740