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21140414310 = 235704680477
BaseRepresentation
bin10011101100000100…
…010001111101100110
32000120022102022120210
4103230010101331212
5321243421224220
613413424240250
71345610361651
oct235404217546
960508368523
1021140414310
118a69238194
12411ba70086
131cbba388c2
141047944898
1583ae366e0
hex4ec111f66

21140414310 has 16 divisors (see below), whose sum is σ = 50736994416. Its totient is φ = 5637443808.

The previous prime is 21140414249. The next prime is 21140414329. The reversal of 21140414310 is 1341404112.

It is a super-2 number, since 2×211404143102 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352340209 + ... + 352340268.

It is an arithmetic number, because the mean of its divisors is an integer number (3171062151).

Almost surely, 221140414310 is an apocalyptic number.

21140414310 is an abundant number, since it is smaller than the sum of its proper divisors (29596580106).

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

21140414310 is a wasteful number, since it uses less digits than its factorization.

21140414310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704680487.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 21140414310 its reverse (1341404112), we get a palindrome (22481818422).

The spelling of 21140414310 in words is "twenty-one billion, one hundred forty million, four hundred fourteen thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 704680477 1409360954 2114041431 3523402385 4228082862 7046804770 10570207155 21140414310