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21032090034 = 2311033178013
BaseRepresentation
bin10011100101100111…
…000011100110110010
32000021202120212121120
4103211213003212302
5321033203340114
613354554403110
71343123546514
oct234547034662
960252525546
1021032090034
118a1308059a
1240ab730496
131ca246c1b7
1410373c7bb4
1583168a5a9
hex4e59c39b2

21032090034 has 16 divisors (see below), whose sum is σ = 42102329472. Its totient is φ = 7004338448.

The previous prime is 21032089993. The next prime is 21032090041. The reversal of 21032090034 is 43009023012.

It is a super-2 number, since 2×210320900342 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21032089986 and 21032090013.

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, 1582389 + ... + 1595624.

It is an arithmetic number, because the mean of its divisors is an integer number (2631395592).

Almost surely, 221032090034 is an apocalyptic number.

21032090034 is an abundant number, since it is smaller than the sum of its proper divisors (21070239438).

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

21032090034 is a wasteful number, since it uses less digits than its factorization.

21032090034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3179121.

The product of its (nonzero) digits is 1296, while the sum is 24.

The spelling of 21032090034 in words is "twenty-one billion, thirty-two million, ninety thousand, thirty-four".

Divisors: 1 2 3 6 1103 2206 3309 6618 3178013 6356026 9534039 19068078 3505348339 7010696678 10516045017 21032090034