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21413452030 = 252141345203
BaseRepresentation
bin10011111100010101…
…110101100011111110
32001021100012001220221
4103330111311203332
5322323320431110
613500500331554
71355434224205
oct237425654376
961240161827
1021413452030
1190993764a3
1241973a3bba
132033486299
141071cda23c
15854dbb7da
hex4fc5758fe

21413452030 has 8 divisors (see below), whose sum is σ = 38544213672. Its totient is φ = 8565380808.

The previous prime is 21413452003. The next prime is 21413452031. The reversal of 21413452030 is 3025431412.

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

It is a super-2 number, since 2×214134520302 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21413451986 and 21413452004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21413452031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070672592 + ... + 1070672611.

It is an arithmetic number, because the mean of its divisors is an integer number (4818026709).

Almost surely, 221413452030 is an apocalyptic number.

21413452030 is a deficient number, since it is larger than the sum of its proper divisors (17130761642).

21413452030 is a wasteful number, since it uses less digits than its factorization.

21413452030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141345210.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 21413452030 its reverse (3025431412), we get a palindrome (24438883442).

The spelling of 21413452030 in words is "twenty-one billion, four hundred thirteen million, four hundred fifty-two thousand, thirty".

Divisors: 1 2 5 10 2141345203 4282690406 10706726015 21413452030