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21024200114 = 210512100057
BaseRepresentation
bin10011100101001000…
…111101010110110010
32000021012202000200022
4103211020331112302
5321024143400424
613354113323442
71342666516031
oct234510752662
960235660608
1021024200114
118a096817a5
1240a8b66582
131ca0938bc8
141036332718
15830b2c95e
hex4e523d5b2

21024200114 has 4 divisors (see below), whose sum is σ = 31536300174. Its totient is φ = 10512100056.

The previous prime is 21024200027. The next prime is 21024200117. The reversal of 21024200114 is 41100242012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12529444225 + 8494755889 = 111935^2 + 92167^2 .

It is a super-2 number, since 2×210242001142 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21024200092 and 21024200101.

It is not an unprimeable number, because it can be changed into a prime (21024200117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5256050027 + ... + 5256050030.

Almost surely, 221024200114 is an apocalyptic number.

21024200114 is a deficient number, since it is larger than the sum of its proper divisors (10512100060).

21024200114 is a wasteful number, since it uses less digits than its factorization.

21024200114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10512100059.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 21024200114 its reverse (41100242012), we get a palindrome (62124442126).

The spelling of 21024200114 in words is "twenty-one billion, twenty-four million, two hundred thousand, one hundred fourteen".

Divisors: 1 2 10512100057 21024200114