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57764637052 = 2216078986409
BaseRepresentation
bin110101110011000010…
…100110100101111100
312112002201100121020221
4311303002212211330
51421300221341202
642311532351124
74113314212363
oct656302464574
9175081317227
1057764637052
11225526a4871
12b2413154a4
1355a75c6815
142b1da4c7da
15178139d037
hexd730a697c

57764637052 has 12 divisors (see below), whose sum is σ = 101151030960. Its totient is φ = 28864342496.

The previous prime is 57764637041. The next prime is 57764637061. The reversal of 57764637052 is 25073646775.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4486777 + ... + 4499632.

It is an arithmetic number, because the mean of its divisors is an integer number (8429252580).

Almost surely, 257764637052 is an apocalyptic number.

It is an amenable number.

57764637052 is a deficient number, since it is larger than the sum of its proper divisors (43386393908).

57764637052 is a wasteful number, since it uses less digits than its factorization.

57764637052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8988020 (or 8988018 counting only the distinct ones).

The product of its (nonzero) digits is 7408800, while the sum is 52.

The spelling of 57764637052 in words is "fifty-seven billion, seven hundred sixty-four million, six hundred thirty-seven thousand, fifty-two".

Divisors: 1 2 4 1607 3214 6428 8986409 17972818 35945636 14441159263 28882318526 57764637052