Search a number
-
+
107858718720 = 21235521673
BaseRepresentation
bin110010001110011100…
…0010111000000000000
3101022101212012121200000
41210130320113000000
53231343312444340
6121314414400000
710535560660614
oct1443470270000
9338355177600
10107858718720
1141819486865
1218aa1800000
13a22b9b726c
145312a6d344
152c14128d30
hex191ce17000

107858718720 has 312 divisors, whose sum is σ = 387729307056. Its totient is φ = 28760997888.

The previous prime is 107858718713. The next prime is 107858718769. The reversal of 107858718720 is 27817858701.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4965804 + ... + 4987476.

It is an arithmetic number, because the mean of its divisors is an integer number (1242722138).

Almost surely, 2107858718720 is an apocalyptic number.

107858718720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 107858718720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193864653528).

107858718720 is an abundant number, since it is smaller than the sum of its proper divisors (279870588336).

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

107858718720 is an frugal number, since it uses more digits than its factorization.

107858718720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21717 (or 21683 counting only the distinct ones).

The product of its (nonzero) digits is 1756160, while the sum is 54.

The spelling of 107858718720 in words is "one hundred seven billion, eight hundred fifty-eight million, seven hundred eighteen thousand, seven hundred twenty".