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102987875407 = 103999122113
BaseRepresentation
bin101111111101010001…
…1100100010001001111
3100211211101212010202211
41133322203210101033
53141404344003112
6115151215331251
710304064332344
oct1377243442117
9324741763684
10102987875407
113a749a7511a
1217b62520b27
13993383a361
144dadbcc7cb
152a2b6d60a7
hex17fa8e444f

102987875407 has 4 divisors (see below), whose sum is σ = 103086998560. Its totient is φ = 102888752256.

The previous prime is 102987875339. The next prime is 102987875483. The reversal of 102987875407 is 704578789201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102987875407 - 27 = 102987875279 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 (102987875707) 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, 49560018 + ... + 49562095.

It is an arithmetic number, because the mean of its divisors is an integer number (25771749640).

Almost surely, 2102987875407 is an apocalyptic number.

102987875407 is a deficient number, since it is larger than the sum of its proper divisors (99123153).

102987875407 is an equidigital number, since it uses as much as digits as its factorization.

102987875407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99123152.

The product of its (nonzero) digits is 7902720, while the sum is 58.

The spelling of 102987875407 in words is "one hundred two billion, nine hundred eighty-seven million, eight hundred seventy-five thousand, four hundred seven".

Divisors: 1 1039 99122113 102987875407