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2697990120 = 233557192087
BaseRepresentation
bin1010000011010000…
…0000111111101000
320222000202002200000
42200310000333220
521011141140440
61123415143000
7123600352260
oct24064007750
96860662600
102697990120
111164a43a01
12633674a60
1333cc61977
141b846c7a0
1510bcd9730
hexa0d00fe8

2697990120 has 384 divisors, whose sum is σ = 10944460800. Its totient is φ = 583946496.

The previous prime is 2697990077. The next prime is 2697990143. The reversal of 2697990120 is 210997962.

It is a super-2 number, since 2×26979901202 = 14558301375235228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 95 ways as a sum of consecutive naturals, for example, 1291717 + ... + 1293803.

It is an arithmetic number, because the mean of its divisors is an integer number (28501200).

Almost surely, 22697990120 is an apocalyptic number.

2697990120 is a gapful number since it is divisible by the number (20) 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 2697990120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5472230400).

2697990120 is an abundant number, since it is smaller than the sum of its proper divisors (8246470680).

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

2697990120 is a wasteful number, since it uses less digits than its factorization.

2697990120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139 (or 2123 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 2697990120 is about 51942.1805472200. The cubic root of 2697990120 is about 1392.1310444406.

The spelling of 2697990120 in words is "two billion, six hundred ninety-seven million, nine hundred ninety thousand, one hundred twenty".