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2697807057 = 3112343131631
BaseRepresentation
bin1010000011001101…
…0100010011010001
320222000101210112220
42200303110103101
521011114311212
61123411211253
7123565660461
oct24063242321
96860353486
102697807057
111164929410
126335a6b29
1333cbc954a
141b8421ba1
1510bca038c
hexa0cd44d1

2697807057 has 64 divisors (see below), whose sum is σ = 4228595712. Its totient is φ = 1513512000.

The previous prime is 2697807029. The next prime is 2697807067. The reversal of 2697807057 is 7507087962.

It is a de Polignac number, because none of the positive numbers 2k-2697807057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2697807067) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 4275132 + ... + 4275762.

It is an arithmetic number, because the mean of its divisors is an integer number (66071808).

Almost surely, 22697807057 is an apocalyptic number.

It is an amenable number.

2697807057 is a deficient number, since it is larger than the sum of its proper divisors (1530788655).

2697807057 is a wasteful number, since it uses less digits than its factorization.

2697807057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842.

The product of its (nonzero) digits is 1481760, while the sum is 51.

The square root of 2697807057 is about 51940.4183367828. The cubic root of 2697807057 is about 1392.0995576130.

The spelling of 2697807057 in words is "two billion, six hundred ninety-seven million, eight hundred seven thousand, fifty-seven".

Divisors: 1 3 11 23 33 43 69 129 131 253 393 473 631 759 989 1419 1441 1893 2967 3013 4323 5633 6941 9039 10879 14513 16899 20823 27133 32637 33143 43539 61963 81399 82661 99429 129559 159643 185889 247983 298463 388677 478929 624059 895389 909271 1425149 1872177 1901203 2727813 3554423 4275447 5703609 6864649 10663269 20593947 20913233 39098653 62739699 81751729 117295959 245255187 899269019 2697807057