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2021033130 = 23567367771
BaseRepresentation
bin111100001110110…
…1000010010101010
312012211221010020220
41320131220102222
513114341030010
6532313430510
7101040332604
oct17035502252
95184833226
102021033130
11947903116
12484a0b436
1326292cabc
141525b2174
15bc669970
hex787684aa

2021033130 has 16 divisors (see below), whose sum is σ = 4850479584. Its totient is φ = 538942160.

The previous prime is 2021033111. The next prime is 2021033243. The reversal of 2021033130 is 313301202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33683856 + ... + 33683915.

It is an arithmetic number, because the mean of its divisors is an integer number (303154974).

Almost surely, 22021033130 is an apocalyptic number.

2021033130 is an abundant number, since it is smaller than the sum of its proper divisors (2829446454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021033130 is a wasteful number, since it uses less digits than its factorization.

2021033130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67367781.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2021033130 is about 44955.9020596851. The cubic root of 2021033130 is about 1264.3223374935.

Adding to 2021033130 its reverse (313301202), we get a palindrome (2334334332).

The spelling of 2021033130 in words is "two billion, twenty-one million, thirty-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 67367771 134735542 202103313 336838855 404206626 673677710 1010516565 2021033130