Search a number
-
+
1107807918672 = 2437133161711889
BaseRepresentation
bin10000000111101110011…
…111110101101001010000
310220220110001001010120210
4100013232133311221100
5121122242311344142
62204530412204120
7143015340640560
oct20075637655120
93826401033523
101107807918672
11397900764944
1215a84a769640
13806095a74b0
143b892450da0
151dc3b1a849c
hex101ee7f5a50

1107807918672 has 640 divisors, whose sum is σ = 3749520015360. Its totient is φ = 274046976000.

The previous prime is 1107807918589. The next prime is 1107807918697. The reversal of 1107807918672 is 2768197087011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 586451104 + ... + 586452992.

It is an arithmetic number, because the mean of its divisors is an integer number (5858625024).

Almost surely, 21107807918672 is an apocalyptic number.

1107807918672 is a gapful number since it is divisible by the number (12) 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 1107807918672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1874760007680).

1107807918672 is an abundant number, since it is smaller than the sum of its proper divisors (2641712096688).

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

1107807918672 is a wasteful number, since it uses less digits than its factorization.

1107807918672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083 (or 2077 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 57.

The spelling of 1107807918672 in words is "one trillion, one hundred seven billion, eight hundred seven million, nine hundred eighteen thousand, six hundred seventy-two".