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11214213220 = 225780101523
BaseRepresentation
bin10100111000110101…
…10101000001100100
31001221112112001112101
422130122311001210
5140431314310340
65052435301444
7544620145120
oct123432650144
931845461471
1011214213220
114835149411
12220b74a884
13109941a132
14785512580
154597a4c9a
hex29c6b5064

11214213220 has 24 divisors (see below), whose sum is σ = 26914112064. Its totient is φ = 3844873056.

The previous prime is 11214213209. The next prime is 11214213223. The reversal of 11214213220 is 2231241211.

It is not an unprimeable number, because it can be changed into a prime (11214213223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40050622 + ... + 40050901.

It is an arithmetic number, because the mean of its divisors is an integer number (1121421336).

Almost surely, 211214213220 is an apocalyptic number.

11214213220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11214213220 is an abundant number, since it is smaller than the sum of its proper divisors (15699898844).

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

11214213220 is a wasteful number, since it uses less digits than its factorization.

11214213220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80101539 (or 80101537 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11214213220 its reverse (2231241211), we get a palindrome (13445454431).

The spelling of 11214213220 in words is "eleven billion, two hundred fourteen million, two hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 80101523 160203046 320406092 400507615 560710661 801015230 1121421322 1602030460 2242842644 2803553305 5607106610 11214213220