Search a number
-
+
2211231242 = 211177183273
BaseRepresentation
bin1000001111001100…
…1011011000001010
312201002211012000102
42003303023120022
514012033344432
61003230205402
7105540104213
oct20363133012
95632735012
102211231242
11a35200840
12518653862
1329316476c
1416d96240a
15ce1d9962
hex83ccb60a

2211231242 has 32 divisors (see below), whose sum is σ = 3885231744. Its totient is φ = 932646400.

The previous prime is 2211231241. The next prime is 2211231283. The reversal of 2211231242 is 2421321122.

It is not an unprimeable number, because it can be changed into a prime (2211231241) 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, 15083 + ... + 68190.

It is an arithmetic number, because the mean of its divisors is an integer number (121413492).

Almost surely, 22211231242 is an apocalyptic number.

2211231242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2211231242 is a deficient number, since it is larger than the sum of its proper divisors (1674000502).

2211231242 is a wasteful number, since it uses less digits than its factorization.

2211231242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83374.

The product of its digits is 384, while the sum is 20.

The square root of 2211231242 is about 47023.7306261424. The cubic root of 2211231242 is about 1302.8009120521.

Adding to 2211231242 its reverse (2421321122), we get a palindrome (4632552364).

It can be divided in two parts, 221123 and 1242, that multiplied together give a triangular number (274634766 = T23436).

The spelling of 2211231242 in words is "two billion, two hundred eleven million, two hundred thirty-one thousand, two hundred forty-two".

Divisors: 1 2 11 17 22 34 71 142 187 374 781 1207 1562 2414 13277 26554 83273 166546 916003 1415641 1832006 2831282 5912383 11824766 15572051 31144102 65036213 100510511 130072426 201021022 1105615621 2211231242