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2797908047 = 11243537749
BaseRepresentation
bin1010011011000100…
…1011000001001111
321012222202110021222
42212301023001033
521212231024142
61141344513555
7126222553214
oct24661130117
97188673258
102797908047
111206389800
1266101b8bb
13357876cbc
141c783bb0b
15115974bd2
hexa6c4b04f

2797908047 has 12 divisors (see below), whose sum is σ = 3146913000. Its totient is φ = 2484395760.

The previous prime is 2797907989. The next prime is 2797908077. The reversal of 2797908047 is 7408097972.

It is not a de Polignac number, because 2797908047 - 224 = 2781130831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2797908047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2797908077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 263672 + ... + 274077.

It is an arithmetic number, because the mean of its divisors is an integer number (262242750).

Almost surely, 22797908047 is an apocalyptic number.

2797908047 is a deficient number, since it is larger than the sum of its proper divisors (349004953).

2797908047 is a wasteful number, since it uses less digits than its factorization.

2797908047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537814 (or 537803 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 53.

The square root of 2797908047 is about 52895.2554299533. The cubic root of 2797908047 is about 1409.1086442515.

The spelling of 2797908047 in words is "two billion, seven hundred ninety-seven million, nine hundred eight thousand, forty-seven".

Divisors: 1 11 43 121 473 5203 537749 5915239 23123207 65067629 254355277 2797908047