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1150021216 = 25291239247
BaseRepresentation
bin100010010001011…
…1110111001100000
32222010222010112101
41010202332321200
54323401134331
6310040540144
740333006351
oct10442767140
92863863471
101150021216
1154017aa63
12281181654
13154345936
14aca3dd28
156ae67061
hex448bee60

1150021216 has 24 divisors (see below), whose sum is σ = 2342178720. Its totient is φ = 555182208.

The previous prime is 1150021211. The next prime is 1150021217. The reversal of 1150021216 is 6121200511.

It is a junction number, because it is equal to n+sod(n) for n = 1150021193 and 1150021202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150021211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 618696 + ... + 620551.

It is an arithmetic number, because the mean of its divisors is an integer number (97590780).

Almost surely, 21150021216 is an apocalyptic number.

1150021216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1150021216 is an abundant number, since it is smaller than the sum of its proper divisors (1192157504).

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

1150021216 is a wasteful number, since it uses less digits than its factorization.

1150021216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239286 (or 1239278 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1150021216 is about 33911.9627270378. The cubic root of 1150021216 is about 1047.6959959673.

Adding to 1150021216 its reverse (6121200511), we get a palindrome (7271221727).

The spelling of 1150021216 in words is "one billion, one hundred fifty million, twenty-one thousand, two hundred sixteen".

Divisors: 1 2 4 8 16 29 32 58 116 232 464 928 1239247 2478494 4956988 9913976 19827952 35938163 39655904 71876326 143752652 287505304 575010608 1150021216