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54782057105 = 5101349310829
BaseRepresentation
bin110011000001010000…
…111101101010010001
312020101212002211201222
4303001100331222101
51344143201311410
641055545334425
73646356542126
oct630120755221
9166355084658
1054782057105
1121262052366
12a74a497415
135220701309
14291989c74d
1516595ea955
hexcc143da91

54782057105 has 16 divisors (see below), whose sum is σ = 66579786000. Its totient is φ = 43267257600.

The previous prime is 54782057093. The next prime is 54782057117. The reversal of 54782057105 is 50175028745.

It is an interprime number because it is at equal distance from previous prime (54782057093) and next prime (54782057117).

It can be written as a sum of positive squares in 8 ways, for example, as 9150261649 + 45631795456 = 95657^2 + 213616^2 .

It is not a de Polignac number, because 54782057105 - 216 = 54781991569 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20831 + ... + 331659.

It is an arithmetic number, because the mean of its divisors is an integer number (4161236625).

Almost surely, 254782057105 is an apocalyptic number.

It is an amenable number.

54782057105 is a deficient number, since it is larger than the sum of its proper divisors (11797728895).

54782057105 is a wasteful number, since it uses less digits than its factorization.

54782057105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311284.

The product of its (nonzero) digits is 392000, while the sum is 44.

The spelling of 54782057105 in words is "fifty-four billion, seven hundred eighty-two million, fifty-seven thousand, one hundred five".

Divisors: 1 5 101 349 505 1745 35249 176245 310829 1554145 31393729 108479321 156968645 542396605 10956411421 54782057105