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102020001007 = 187754352691
BaseRepresentation
bin101111100000011011…
…1011010110011101111
3100202022221122000200211
41133000313122303233
53132414110013012
6114511202403251
710241102462161
oct1370067326357
9322287560624
10102020001007
113a2a26a3821
1217932360527
13980b16a802
144d1b444931
1529c174d6a7
hex17c0ddacef

102020001007 has 4 divisors (see below), whose sum is σ = 102074355576. Its totient is φ = 101965646440.

The previous prime is 102020000941. The next prime is 102020001011. The reversal of 102020001007 is 700100020201.

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 102020001007 - 211 = 102019998959 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 (102020001077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27174469 + ... + 27178222.

It is an arithmetic number, because the mean of its divisors is an integer number (25518588894).

Almost surely, 2102020001007 is an apocalyptic number.

102020001007 is a deficient number, since it is larger than the sum of its proper divisors (54354569).

102020001007 is an equidigital number, since it uses as much as digits as its factorization.

102020001007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54354568.

The product of its (nonzero) digits is 28, while the sum is 13.

Adding to 102020001007 its reverse (700100020201), we get a palindrome (802120021208).

The spelling of 102020001007 in words is "one hundred two billion, twenty million, one thousand, seven".

Divisors: 1 1877 54352691 102020001007