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2152205630 = 25215220563
BaseRepresentation
bin1000000001001000…
…0000110100111110
312112222202101002122
42000102000310332
513401431040010
6553321122542
7104222305661
oct20022006476
95488671078
102152205630
11a04955a43
12500929452
13283b69173
14165b996d8
15c8e2a855
hex80480d3e

2152205630 has 8 divisors (see below), whose sum is σ = 3873970152. Its totient is φ = 860882248.

The previous prime is 2152205621. The next prime is 2152205633. The reversal of 2152205630 is 365022512.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2152205630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152205633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107610272 + ... + 107610291.

It is an arithmetic number, because the mean of its divisors is an integer number (484246269).

Almost surely, 22152205630 is an apocalyptic number.

2152205630 is a deficient number, since it is larger than the sum of its proper divisors (1721764522).

2152205630 is a wasteful number, since it uses less digits than its factorization.

2152205630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215220570.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2152205630 is about 46391.8703007326. The cubic root of 2152205630 is about 1291.1040825133.

The spelling of 2152205630 in words is "two billion, one hundred fifty-two million, two hundred five thousand, six hundred thirty".

Divisors: 1 2 5 10 215220563 430441126 1076102815 2152205630