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20302311002 = 2231912310757
BaseRepresentation
bin10010111010000111…
…001010111001011010
31221101220101020222112
4102322013022321122
5313034342423002
613154324552322
71316052540041
oct227207127132
957356336875
1020302311002
118679141826
123b272526a2
131bb720459c
14da84db558
157dc584852
hex4ba1cae5a

20302311002 has 16 divisors (see below), whose sum is σ = 31943918592. Its totient is φ = 9658960080.

The previous prime is 20302310993. The next prime is 20302311011. The reversal of 20302311002 is 20011320302.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20302310993) and next prime (20302311011).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1146593 + ... + 1164164.

It is an arithmetic number, because the mean of its divisors is an integer number (1996494912).

Almost surely, 220302311002 is an apocalyptic number.

20302311002 is a deficient number, since it is larger than the sum of its proper divisors (11641607590).

20302311002 is a wasteful number, since it uses less digits than its factorization.

20302311002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310973.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20302311002 its reverse (20011320302), we get a palindrome (40313631304).

The spelling of 20302311002 in words is "twenty billion, three hundred two million, three hundred eleven thousand, two".

Divisors: 1 2 23 46 191 382 4393 8786 2310757 4621514 53147411 106294822 441354587 882709174 10151155501 20302311002