Search a number
-
+
2112241397 = 76734712979
BaseRepresentation
bin111110111100110…
…0011111011110101
312110012112222110212
41331321203323311
513311213211042
6545332355205
7103225520120
oct17571437365
95405488425
102112241397
1199433a252
124ab475b05
132787b59a6
141607553b7
15c5684482
hex7de63ef5

2112241397 has 16 divisors (see below), whose sum is σ = 2457269760. Its totient is φ = 1778193648.

The previous prime is 2112241319. The next prime is 2112241423. The reversal of 2112241397 is 7931422112.

It is not a de Polignac number, because 2112241397 - 210 = 2112240373 is a prime.

It is a super-3 number, since 3×21122413973 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112241297) 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, 156254 + ... + 169232.

It is an arithmetic number, because the mean of its divisors is an integer number (153579360).

Almost surely, 22112241397 is an apocalyptic number.

It is an amenable number.

2112241397 is a deficient number, since it is larger than the sum of its proper divisors (345028363).

2112241397 is a wasteful number, since it uses less digits than its factorization.

2112241397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13400.

The product of its digits is 6048, while the sum is 32.

The square root of 2112241397 is about 45959.1274612563. The cubic root of 2112241397 is about 1283.0626120278.

The spelling of 2112241397 in words is "two billion, one hundred twelve million, two hundred forty-one thousand, three hundred ninety-seven".

Divisors: 1 7 67 347 469 2429 12979 23249 90853 162743 869593 4503713 6087151 31525991 301748771 2112241397