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2744020869 = 319123139107
BaseRepresentation
bin1010001110001110…
…0110111110000101
321002020100200222120
42203203212332011
521104432131434
61132141520153
7124666535562
oct24343467605
97066320876
102744020869
111188a23547
12646b73059
1334965a4b5
141c0611869
15110d7d349
hexa38e6f85

2744020869 has 16 divisors (see below), whose sum is σ = 3854484480. Its totient is φ = 1731613680.

The previous prime is 2744020859. The next prime is 2744020883. The reversal of 2744020869 is 9680204472.

It is not a de Polignac number, because 2744020869 - 211 = 2744018821 is a prime.

It is a super-2 number, since 2×27440208692 = 15059301059015030322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2744020869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2744020859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50614 + ... + 89720.

It is an arithmetic number, because the mean of its divisors is an integer number (240905280).

Almost surely, 22744020869 is an apocalyptic number.

It is an amenable number.

2744020869 is a deficient number, since it is larger than the sum of its proper divisors (1110463611).

2744020869 is a wasteful number, since it uses less digits than its factorization.

2744020869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40360.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 2744020869 is about 52383.4026099871. The cubic root of 2744020869 is about 1400.0035491407.

The spelling of 2744020869 in words is "two billion, seven hundred forty-four million, twenty thousand, eight hundred sixty-nine".

Divisors: 1 3 19 57 1231 3693 23389 39107 70167 117321 743033 2229099 48140717 144422151 914673623 2744020869