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52609660957 = 77515665851
BaseRepresentation
bin110000111111110001…
…111011100000011101
312000210110100200110101
4300333301323200131
51330221033122312
640100223341101
73541500511510
oct607761734035
9160713320411
1052609660957
1120347866a47
12a242a51791
134c656160c9
142791168d77
15157da32a57
hexc3fc7b81d

52609660957 has 4 divisors (see below), whose sum is σ = 60125326816. Its totient is φ = 45093995100.

The previous prime is 52609660933. The next prime is 52609660969. The reversal of 52609660957 is 75906690625.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 52609660957 - 211 = 52609658909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52609660898 and 52609660907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52609660907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3757832919 + ... + 3757832932.

It is an arithmetic number, because the mean of its divisors is an integer number (15031331704).

Almost surely, 252609660957 is an apocalyptic number.

It is an amenable number.

52609660957 is a deficient number, since it is larger than the sum of its proper divisors (7515665859).

52609660957 is an equidigital number, since it uses as much as digits as its factorization.

52609660957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7515665858.

The product of its (nonzero) digits is 6123600, while the sum is 55.

The spelling of 52609660957 in words is "fifty-two billion, six hundred nine million, six hundred sixty thousand, nine hundred fifty-seven".

Divisors: 1 7 7515665851 52609660957