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10102012002 = 2323877144757
BaseRepresentation
bin10010110100010000…
…00111100001100010
3222002000201101021200
421122020013201202
5131142103341002
64350225102030
7505223454015
oct113210074142
928060641250
1010102012002
114314360155
121b5b187916
13c4cb869c4
146bb91937c
153e1d0db1c
hex25a207862

10102012002 has 24 divisors (see below), whose sum is σ = 21893489436. Its totient is φ = 3366445536.

The previous prime is 10102011977. The next prime is 10102012013. The reversal of 10102012002 is 20021020101.

It can be written as a sum of positive squares in 2 ways, for example, as 10047857121 + 54154881 = 100239^2 + 7359^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2593 + ... + 142164.

Almost surely, 210102012002 is an apocalyptic number.

10102012002 is an abundant number, since it is smaller than the sum of its proper divisors (11791477434).

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

10102012002 is a wasteful number, since it uses less digits than its factorization.

10102012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148642 (or 148639 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10102012002 its reverse (20021020101), we get a palindrome (30123032103).

The spelling of 10102012002 in words is "ten billion, one hundred two million, twelve thousand, two".

Divisors: 1 2 3 6 9 18 3877 7754 11631 23262 34893 69786 144757 289514 434271 868542 1302813 2605626 561222889 1122445778 1683668667 3367337334 5051006001 10102012002