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21320023030302 = 2326819913248883
BaseRepresentation
bin1001101100011111101000…
…11001100011101000011110
32210111011201001200021202210
410312033310121203220132
510243301401343432202
6113202141112501250
74330215021450033
oct466176431435036
983434631607683
1021320023030302
11687a853209257
122483b686aa826
13bb861478a5a9
14539c74ba538a
1526e8b1a75c6c
hex1363f4663a1e

21320023030302 has 16 divisors (see below), whose sum is σ = 42640208265600. Its totient is φ = 7106647309272.

The previous prime is 21320023030283. The next prime is 21320023030321. The reversal of 21320023030302 is 20303032002312.

It is an interprime number because it is at equal distance from previous prime (21320023030283) and next prime (21320023030321).

It is a super-2 number, since 2×213200230303022 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 5015248 + ... + 8233635.

It is an arithmetic number, because the mean of its divisors is an integer number (2665013016600).

Almost surely, 221320023030302 is an apocalyptic number.

21320023030302 is an abundant number, since it is smaller than the sum of its proper divisors (21320185235298).

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

21320023030302 is a wasteful number, since it uses less digits than its factorization.

21320023030302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13517087.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 21320023030302 its reverse (20303032002312), we get a palindrome (41623055032614).

The spelling of 21320023030302 in words is "twenty-one trillion, three hundred twenty billion, twenty-three million, thirty thousand, three hundred two".

Divisors: 1 2 3 6 268199 536398 804597 1609194 13248883 26497766 39746649 79493298 3553337171717 7106674343434 10660011515151 21320023030302