Search a number
-
+
2153370789820 = 225107668539491
BaseRepresentation
bin11111010101011110111…
…001101010011110111100
321121212020010001020012001
4133111132321222132330
5240240100410233240
64325124521152044
7311401351464625
oct37253671523674
97555203036161
102153370789820
1176026a744248
122a940762b624
131280a6280003
147631bba6a4c
153b03299489a
hex1f55ee6a7bc

2153370789820 has 12 divisors (see below), whose sum is σ = 4522078658664. Its totient is φ = 861348315920.

The previous prime is 2153370789799. The next prime is 2153370789833. The reversal of 2153370789820 is 289870733512.

It is a congruent number.

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, 53834269726 + ... + 53834269765.

It is an arithmetic number, because the mean of its divisors is an integer number (376839888222).

Almost surely, 22153370789820 is an apocalyptic number.

2153370789820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2153370789820 is an abundant number, since it is smaller than the sum of its proper divisors (2368707868844).

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

2153370789820 is a wasteful number, since it uses less digits than its factorization.

2153370789820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107668539500 (or 107668539498 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 2153370789820 in words is "two trillion, one hundred fifty-three billion, three hundred seventy million, seven hundred eighty-nine thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 107668539491 215337078982 430674157964 538342697455 1076685394910 2153370789820