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1141331212 = 227131379821
BaseRepresentation
bin100010000000111…
…0101010100001100
32221112121122002101
41010001311110030
54314140044322
6305130404444
740166104150
oct10401652414
92845548071
101141331212
1153628503a
1227a290724
131525c2418
14ab81b060
156a2ec327
hex4407550c

1141331212 has 48 divisors (see below), whose sum is σ = 2308965120. Its totient is φ = 483537600.

The previous prime is 1141331207. The next prime is 1141331239. The reversal of 1141331212 is 2121331411.

It is a self number, because there is not a number n which added to its sum of digits gives 1141331212.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1389762 + ... + 1390582.

It is an arithmetic number, because the mean of its divisors is an integer number (48103440).

Almost surely, 21141331212 is an apocalyptic number.

It is an amenable number.

1141331212 is an abundant number, since it is smaller than the sum of its proper divisors (1167633908).

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

1141331212 is a wasteful number, since it uses less digits than its factorization.

1141331212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342 (or 1340 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 1141331212 is about 33783.5938289579. The cubic root of 1141331212 is about 1045.0503892737.

Adding to 1141331212 its reverse (2121331411), we get a palindrome (3262662623).

The spelling of 1141331212 in words is "one billion, one hundred forty-one million, three hundred thirty-one thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 131 262 379 524 758 821 917 1516 1642 1834 2653 3284 3668 5306 5747 10612 11494 22988 49649 99298 107551 198596 215102 311159 347543 430204 622318 695086 752857 1244636 1390172 1505714 2178113 3011428 4356226 8712452 40761829 81523658 163047316 285332803 570665606 1141331212