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2021133010 = 251347330791
BaseRepresentation
bin111100001111000…
…0000101011010010
312012212010012021011
41320132000223102
513114402224020
6532315521134
7101041230031
oct17036005322
95185105234
102021133010
11947971166
12484a591aa
132629663c0
141525da718
15bc68935a
hex78780ad2

2021133010 has 32 divisors (see below), whose sum is σ = 4001260032. Its totient is φ = 730384320.

The previous prime is 2021133001. The next prime is 2021133017. The reversal of 2021133010 is 103311202.

It is a super-2 number, since 2×20211330102 = 8169957288223320200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (2021133017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159286 + ... + 171505.

It is an arithmetic number, because the mean of its divisors is an integer number (125039376).

Almost surely, 22021133010 is an apocalyptic number.

2021133010 is a deficient number, since it is larger than the sum of its proper divisors (1980127022).

2021133010 is a wasteful number, since it uses less digits than its factorization.

2021133010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330858.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2021133010 is about 44957.0129123366. The cubic root of 2021133010 is about 1264.3431648669.

Adding to 2021133010 its reverse (103311202), we get a palindrome (2124444212).

The spelling of 2021133010 in words is "two billion, twenty-one million, one hundred thirty-three thousand, ten".

Divisors: 1 2 5 10 13 26 47 65 94 130 235 470 611 1222 3055 6110 330791 661582 1653955 3307910 4300283 8600566 15547177 21501415 31094354 43002830 77735885 155471770 202113301 404226602 1010566505 2021133010