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1361205600247 = 191013123757173
BaseRepresentation
bin10011110011101110001…
…011010001111111110111
311211010111202111002121101
4103303232023101333313
5134300222113201442
62521155040030531
7200225641460533
oct23635613217767
94733452432541
101361205600247
11485314090599
1219b989002447
139b490559b4c
1449c501c8bc3
152561c41ccb7
hex13cee2d1ff7

1361205600247 has 16 divisors (see below), whose sum is σ = 1435447035360. Its totient is φ = 1287226207872.

The previous prime is 1361205600229. The next prime is 1361205600331. The reversal of 1361205600247 is 7420065021631.

It is a cyclic number.

It is not a de Polignac number, because 1361205600247 - 223 = 1361197211639 is a prime.

It is a super-2 number, since 2×13612056002472 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361205600847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23779953 + ... + 23837125.

It is an arithmetic number, because the mean of its divisors is an integer number (89715439710).

Almost surely, 21361205600247 is an apocalyptic number.

1361205600247 is a deficient number, since it is larger than the sum of its proper divisors (74241435113).

1361205600247 is a wasteful number, since it uses less digits than its factorization.

1361205600247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59442.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 1361205600247 in words is "one trillion, three hundred sixty-one billion, two hundred five million, six hundred thousand, two hundred forty-seven".

Divisors: 1 19 1013 1237 19247 23503 57173 1086287 1253081 23808539 57916249 70723001 1100408731 1343737019 71642400013 1361205600247