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20031013002 = 23711213476451
BaseRepresentation
bin10010101001111100…
…010000000010001010
31220200222212220002110
4102221330100002022
5312010414404002
613111354043150
71306246541550
oct225174200212
956628786073
1020031013002
118549a91600
123a704194b6
131b72c45a20
14d80479bd0
157c3844e6c
hex4a9f1008a

20031013002 has 192 divisors, whose sum is σ = 55358779392. Its totient is φ = 4699728000.

The previous prime is 20031012997. The next prime is 20031013019.

It is a happy number.

20031013002 is nontrivially palindromic in base 10.

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 95 ways as a sum of consecutive naturals, for example, 3101877 + ... + 3108327.

It is an arithmetic number, because the mean of its divisors is an integer number (288326976).

Almost surely, 220031013002 is an apocalyptic number.

20031013002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20031013002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27679389696).

20031013002 is an abundant number, since it is smaller than the sum of its proper divisors (35327766390).

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

20031013002 is a wasteful number, since it uses less digits than its factorization.

20031013002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6545 (or 6534 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

It can be divided in two parts, 200310 and 13002, that added together give a palindrome (213312).

The spelling of 20031013002 in words is "twenty billion, thirty-one million, thirteen thousand, two".