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1014202021 = 7144886003
BaseRepresentation
bin111100011100110…
…111111010100101
32121200101210121211
4330130313322211
54034113431041
6244345511421
734063401130
oct7434677245
92550353554
101014202021
11480543a98
122437a2571
13132170551
14989a7217
155e089481
hex3c737ea5

1014202021 has 4 divisors (see below), whose sum is σ = 1159088032. Its totient is φ = 869316012.

The previous prime is 1014202019. The next prime is 1014202037. The reversal of 1014202021 is 1202024101.

It is a happy number.

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 1014202021 - 21 = 1014202019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1014201992 and 1014202010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1014202921) 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, 72442995 + ... + 72443008.

It is an arithmetic number, because the mean of its divisors is an integer number (289772008).

Almost surely, 21014202021 is an apocalyptic number.

It is an amenable number.

1014202021 is a deficient number, since it is larger than the sum of its proper divisors (144886011).

1014202021 is an equidigital number, since it uses as much as digits as its factorization.

1014202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144886010.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1014202021 is about 31846.5386031198. The cubic root of 1014202021 is about 1004.7117713425.

Adding to 1014202021 its reverse (1202024101), we get a palindrome (2216226122).

The spelling of 1014202021 in words is "one billion, fourteen million, two hundred two thousand, twenty-one".

Divisors: 1 7 144886003 1014202021