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102121030002 = 23147111570477
BaseRepresentation
bin101111100011011100…
…0110100000101110010
3100202120222201211102110
41133012320310011302
53133120440430002
6114525212030150
710243440301305
oct1370670640562
9322528654373
10102121030002
113a344728362
1217960162356
139826081794
144d2aa22b3c
1529ca557e6c
hex17c6e34172

102121030002 has 16 divisors (see below), whose sum is σ = 204380923392. Its totient is φ = 34017199440.

The previous prime is 102121029973. The next prime is 102121030013. The reversal of 102121030002 is 200030121201.

It is a self number, because there is not a number n which added to its sum of digits gives 102121030002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5776413 + ... + 5794064.

It is an arithmetic number, because the mean of its divisors is an integer number (12773807712).

Almost surely, 2102121030002 is an apocalyptic number.

102121030002 is an abundant number, since it is smaller than the sum of its proper divisors (102259893390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102121030002 is a wasteful number, since it uses less digits than its factorization.

102121030002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11571953.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 102121030002 its reverse (200030121201), we get a palindrome (302151151203).

The spelling of 102121030002 in words is "one hundred two billion, one hundred twenty-one million, thirty thousand, two".

Divisors: 1 2 3 6 1471 2942 4413 8826 11570477 23140954 34711431 69422862 17020171667 34040343334 51060515001 102121030002