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1361353130957 = 4373633112639
BaseRepresentation
bin10011110011110110111…
…110000100001111001101
311211010220001002102200202
4103303312332010033031
5134301022400142312
62521221430103245
7200232412454321
oct23636676041715
94733801072622
101361353130957
1148538a3965a6
1219ba0a4aab25
139b4b4ca2b21
1449c65a2d981
152562a3609c2
hex13cf6f843cd

1361353130957 has 4 divisors (see below), whose sum is σ = 1361356680960. Its totient is φ = 1361349580956.

The previous prime is 1361353130867. The next prime is 1361353130989. The reversal of 1361353130957 is 7590313531631.

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 1361353130957 - 232 = 1357058163661 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 (1361353133957) 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, 1118957 + ... + 1993682.

It is an arithmetic number, because the mean of its divisors is an integer number (340339170240).

Almost surely, 21361353130957 is an apocalyptic number.

It is an amenable number.

1361353130957 is a deficient number, since it is larger than the sum of its proper divisors (3550003).

1361353130957 is an equidigital number, since it uses as much as digits as its factorization.

1361353130957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3550002.

The product of its (nonzero) digits is 765450, while the sum is 47.

The spelling of 1361353130957 in words is "one trillion, three hundred sixty-one billion, three hundred fifty-three million, one hundred thirty thousand, nine hundred fifty-seven".

Divisors: 1 437363 3112639 1361353130957