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102847391201 = 151681108551
BaseRepresentation
bin101111111001000101…
…1101010010111100001
3100211110121111210200002
41133302023222113201
53141112413004301
6115125240305345
710300440254402
oct1376213522741
9324417453602
10102847391201
113a687742275
1217b23472255
1399106c07c9
144d9929d9a9
152a1e1d616b
hex17f22ea5e1

102847391201 has 4 divisors (see below), whose sum is σ = 103528499904. Its totient is φ = 102166282500.

The previous prime is 102847391161. The next prime is 102847391203. The reversal of 102847391201 is 102193748201.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 102193748201 = 176011396953.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102847391201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102847391203) 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, 340554125 + ... + 340554426.

It is an arithmetic number, because the mean of its divisors is an integer number (25882124976).

Almost surely, 2102847391201 is an apocalyptic number.

It is an amenable number.

102847391201 is a deficient number, since it is larger than the sum of its proper divisors (681108703).

102847391201 is an equidigital number, since it uses as much as digits as its factorization.

102847391201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681108702.

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 102847391201 in words is "one hundred two billion, eight hundred forty-seven million, three hundred ninety-one thousand, two hundred one".

Divisors: 1 151 681108551 102847391201