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1372810057357 = 4313185174147
BaseRepresentation
bin10011111110100001110…
…110110001011010001101
311212020110111022121010011
4103332201312301122031
5134443003333313412
62530354335513221
7201116340645154
oct23764166613215
94766414277104
101372810057357
1148a229540a12
121a2087388811
139c5bc780a0b
144a63148259b
1525a9b0aa7a7
hex13fa1db168d

1372810057357 has 4 divisors (see below), whose sum is σ = 1375995231936. Its totient is φ = 1369624882780.

The previous prime is 1372810057349. The next prime is 1372810057361. The reversal of 1372810057357 is 7537500182731.

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 a cyclic number.

It is not a de Polignac number, because 1372810057357 - 23 = 1372810057349 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1372810057357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372810057057) 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 3 ways as a sum of consecutive naturals, for example, 1592586643 + ... + 1592587504.

It is an arithmetic number, because the mean of its divisors is an integer number (343998807984).

Almost surely, 21372810057357 is an apocalyptic number.

It is an amenable number.

1372810057357 is a deficient number, since it is larger than the sum of its proper divisors (3185174579).

1372810057357 is an equidigital number, since it uses as much as digits as its factorization.

1372810057357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3185174578.

The product of its (nonzero) digits is 1234800, while the sum is 49.

The spelling of 1372810057357 in words is "one trillion, three hundred seventy-two billion, eight hundred ten million, fifty-seven thousand, three hundred fifty-seven".

Divisors: 1 431 3185174147 1372810057357