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1087402642895 = 57328110602083
BaseRepresentation
bin11111101001011100011…
…11111000110111001111
310211221202221220201111002
433310232033320313033
5120304000034033040
62151313524250515
7141363564646622
oct17645617706717
93757687821432
101087402642895
1138a18a497168
121568b4b40a3b
137b706c61b0a
143a8b83cddb9
151d444a85a15
hexfd2e3f8dcf

1087402642895 has 16 divisors (see below), whose sum is σ = 1327465733472. Its totient is φ = 854951892480.

The previous prime is 1087402642877. The next prime is 1087402642913. The reversal of 1087402642895 is 5982462047801.

It is an interprime number because it is at equal distance from previous prime (1087402642877) and next prime (1087402642913).

It is a de Polignac number, because none of the positive numbers 2k-1087402642895 is a prime.

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 1087402642895.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5198477 + ... + 5403606.

It is an arithmetic number, because the mean of its divisors is an integer number (82966608342).

Almost surely, 21087402642895 is an apocalyptic number.

1087402642895 is a deficient number, since it is larger than the sum of its proper divisors (240063090577).

1087402642895 is a wasteful number, since it uses less digits than its factorization.

1087402642895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10602442.

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 1087402642895 in words is "one trillion, eighty-seven billion, four hundred two million, six hundred forty-two thousand, eight hundred ninety-five".

Divisors: 1 5 73 281 365 1405 20513 102565 10602083 53010415 773952059 2979185323 3869760295 14895926615 217480528579 1087402642895