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1030212021 = 32314930609
BaseRepresentation
bin111101011001111…
…100100110110101
32122210112012012210
4331121330212311
54102213241041
6250121004033
734346441406
oct7531744665
92583465183
101030212021
114895895a3
12249023619
13135587817
149ab739ad
156069d016
hex3d67c9b5

1030212021 has 8 divisors (see below), whose sum is σ = 1433338560. Its totient is φ = 656946752.

The previous prime is 1030211993. The next prime is 1030212023. The reversal of 1030212021 is 1202120301.

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

It is a cyclic number.

It is not a de Polignac number, because 1030212021 - 26 = 1030211957 is a prime.

It is a super-2 number, since 2×10302120212 = 2122673616425808882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1030211988 and 1030212006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030212023) 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 7 ways as a sum of consecutive naturals, for example, 7465236 + ... + 7465373.

It is an arithmetic number, because the mean of its divisors is an integer number (179167320).

Almost surely, 21030212021 is an apocalyptic number.

It is an amenable number.

1030212021 is a deficient number, since it is larger than the sum of its proper divisors (403126539).

1030212021 is a wasteful number, since it uses less digits than its factorization.

1030212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14930635.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1030212021 is about 32096.9160668124. The cubic root of 1030212021 is about 1009.9709239089.

Adding to 1030212021 its reverse (1202120301), we get a palindrome (2232332322).

The spelling of 1030212021 in words is "one billion, thirty million, two hundred twelve thousand, twenty-one".

Divisors: 1 3 23 69 14930609 44791827 343404007 1030212021