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2780291053 = 54712314129
BaseRepresentation
bin1010010110110111…
…1101111111101101
321011202121102022201
42211231331333231
521143223303203
61135515141501
7125620040551
oct24555757755
97152542281
102780291053
1111a7446901
12657144891
13354019447
141c5373861
15114144e1d
hexa5b7dfed

2780291053 has 8 divisors (see below), whose sum is σ = 2788311680. Its totient is φ = 2772282240.

The previous prime is 2780291039. The next prime is 2780291069. The reversal of 2780291053 is 3501920872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2780291053 - 213 = 2780282861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2780291153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671293 + ... + 675421.

It is an arithmetic number, because the mean of its divisors is an integer number (348538960).

Almost surely, 22780291053 is an apocalyptic number.

It is an amenable number.

2780291053 is a deficient number, since it is larger than the sum of its proper divisors (8020627).

2780291053 is a wasteful number, since it uses less digits than its factorization.

2780291053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5907.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 2780291053 is about 52728.4653010117. The cubic root of 2780291053 is about 1406.1449367223.

The spelling of 2780291053 in words is "two billion, seven hundred eighty million, two hundred ninety-one thousand, fifty-three".

Divisors: 1 547 1231 4129 673357 2258563 5082799 2780291053