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2021133032 = 23401630029
BaseRepresentation
bin111100001111000…
…0000101011101000
312012212010012021222
41320132000223220
513114402224112
6532315521212
7101041230062
oct17036005350
95185105258
102021133032
11947971186
12484a59208
13262966409
141525da732
15bc689372
hex78780ae8

2021133032 has 16 divisors (see below), whose sum is σ = 3799080900. Its totient is φ = 1008044800.

The previous prime is 2021133017. The next prime is 2021133041. The reversal of 2021133032 is 2303311202.

It can be written as a sum of positive squares in 2 ways, for example, as 1303643236 + 717489796 = 36106^2 + 26786^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2021133032.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311807 + ... + 318222.

Almost surely, 22021133032 is an apocalyptic number.

It is an amenable number.

2021133032 is a deficient number, since it is larger than the sum of its proper divisors (1777947868).

2021133032 is a wasteful number, since it uses less digits than its factorization.

2021133032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630436 (or 630432 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2021133032 is about 44957.0131570148. The cubic root of 2021133032 is about 1264.3431694544.

Adding to 2021133032 its reverse (2303311202), we get a palindrome (4324444234).

The spelling of 2021133032 in words is "two billion, twenty-one million, one hundred thirty-three thousand, thirty-two".

Divisors: 1 2 4 8 401 802 1604 3208 630029 1260058 2520116 5040232 252641629 505283258 1010566516 2021133032