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2021201140 = 225714437151
BaseRepresentation
bin111100001111001…
…0001010011110100
312012212020122201111
41320132101103310
513114411414030
6532321204404
7101041632460
oct17036212364
95185218644
102021201140
11947a08372
12484a90704
1326298b40a
141526174a0
15bc69e62a
hex787914f4

2021201140 has 24 divisors (see below), whose sum is σ = 4850883072. Its totient is φ = 692983200.

The previous prime is 2021201123. The next prime is 2021201177. The reversal of 2021201140 is 411021202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2021201140.

It is a congruent 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, 7218436 + ... + 7218715.

It is an arithmetic number, because the mean of its divisors is an integer number (202120128).

Almost surely, 22021201140 is an apocalyptic number.

2021201140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021201140 is an abundant number, since it is smaller than the sum of its proper divisors (2829681932).

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

2021201140 is a wasteful number, since it uses less digits than its factorization.

2021201140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14437167 (or 14437165 counting only the distinct ones).

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

The square root of 2021201140 is about 44957.7706297810. The cubic root of 2021201140 is about 1264.3573712108.

Adding to 2021201140 its reverse (411021202), we get a palindrome (2432222342).

The spelling of 2021201140 in words is "two billion, twenty-one million, two hundred one thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 14437151 28874302 57748604 72185755 101060057 144371510 202120114 288743020 404240228 505300285 1010600570 2021201140