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2055979120 = 245131976903
BaseRepresentation
bin111101010001011…
…1100000001110000
312022021200120010211
41322202330001300
513202312312440
6540002433504
7101643351136
oct17242740160
95267616124
102055979120
119656015a8
12494662894
13269c470c0
141570ab756
15c076deea
hex7a8bc070

2055979120 has 40 divisors (see below), whose sum is σ = 5147858016. Its totient is φ = 759130368.

The previous prime is 2055979109. The next prime is 2055979193. The reversal of 2055979120 is 219795502.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 987412 + ... + 989491.

Almost surely, 22055979120 is an apocalyptic number.

2055979120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2055979120 is an abundant number, since it is smaller than the sum of its proper divisors (3091878896).

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

2055979120 is a wasteful number, since it uses less digits than its factorization.

2055979120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976929 (or 1976923 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 2055979120 is about 45342.9059501043. The cubic root of 2055979120 is about 1271.5679313881.

The spelling of 2055979120 in words is "two billion, fifty-five million, nine hundred seventy-nine thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 1976903 3953806 7907612 9884515 15815224 19769030 25699739 31630448 39538060 51399478 79076120 102798956 128498695 158152240 205597912 256997390 411195824 513994780 1027989560 2055979120