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1014403021 = 4721583043
BaseRepresentation
bin111100011101101…
…000111111001101
32121200210000100021
4330131220333031
54034141344041
6244354102141
734065166132
oct7435507715
92550700307
101014403021
11480671005
1224387a951
13132210b98
1498a1a589
155e0c8cd1
hex3c768fcd

1014403021 has 4 divisors (see below), whose sum is σ = 1035986112. Its totient is φ = 992819932.

The previous prime is 1014403003. The next prime is 1014403031. The reversal of 1014403021 is 1203044101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1014403021 - 221 = 1012305869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1014402986 and 1014403004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1014403031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10791475 + ... + 10791568.

It is an arithmetic number, because the mean of its divisors is an integer number (258996528).

Almost surely, 21014403021 is an apocalyptic number.

It is an amenable number.

1014403021 is a deficient number, since it is larger than the sum of its proper divisors (21583091).

1014403021 is an equidigital number, since it uses as much as digits as its factorization.

1014403021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21583090.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1014403021 is about 31849.6942057534. The cubic root of 1014403021 is about 1004.7781400154.

Adding to 1014403021 its reverse (1203044101), we get a palindrome (2217447122).

The spelling of 1014403021 in words is "one billion, fourteen million, four hundred three thousand, twenty-one".

Divisors: 1 47 21583043 1014403021