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21232103514 = 233538683919
BaseRepresentation
bin10011110001100010…
…000011000001011010
32000210200221121112020
4103301202003001122
5321440404303024
613430501355310
71351102621266
oct236142030132
960720847466
1021232103514
119005a72696
124146708b36
132004a2c67b
141055bb10a6
15843ee8979
hex4f188305a

21232103514 has 8 divisors (see below), whose sum is σ = 42464207040. Its totient is φ = 7077367836.

The previous prime is 21232103483. The next prime is 21232103521. The reversal of 21232103514 is 41530123212.

It is a sphenic number, since it is the product of 3 distinct primes.

21232103514 is an admirable number.

It is a super-2 number, since 2×212321035142 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1769341954 + ... + 1769341965.

It is an arithmetic number, because the mean of its divisors is an integer number (5308025880).

Almost surely, 221232103514 is an apocalyptic number.

21232103514 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21232103514 is a wasteful number, since it uses less digits than its factorization.

21232103514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3538683924.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 21232103514 its reverse (41530123212), we get a palindrome (62762226726).

The spelling of 21232103514 in words is "twenty-one billion, two hundred thirty-two million, one hundred three thousand, five hundred fourteen".

Divisors: 1 2 3 6 3538683919 7077367838 10616051757 21232103514