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1121244410 = 251113784087
BaseRepresentation
bin100001011010100…
…1101010011111010
32220010211010011202
41002311031103322
54244014310120
6303132054202
736533264066
oct10265152372
92803733152
101121244410
11525a05580
12273604362
1314b3ab640
14a8cacaa6
1568680875
hex42d4d4fa

1121244410 has 32 divisors (see below), whose sum is σ = 2371082112. Its totient is φ = 376361280.

The previous prime is 1121244403. The next prime is 1121244413. The reversal of 1121244410 is 144421211.

It is not an unprimeable number, because it can be changed into a prime (1121244413) 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, 390614 + ... + 393473.

It is an arithmetic number, because the mean of its divisors is an integer number (74096316).

Almost surely, 21121244410 is an apocalyptic number.

1121244410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121244410 is an abundant number, since it is smaller than the sum of its proper divisors (1249837702).

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

1121244410 is a wasteful number, since it uses less digits than its factorization.

1121244410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784118.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1121244410 is about 33484.9878303696. The cubic root of 1121244410 is about 1038.8832965575.

Adding to 1121244410 its reverse (144421211), we get a palindrome (1265665621).

The spelling of 1121244410 in words is "one billion, one hundred twenty-one million, two hundred forty-four thousand, four hundred ten".

Divisors: 1 2 5 10 11 13 22 26 55 65 110 130 143 286 715 1430 784087 1568174 3920435 7840870 8624957 10193131 17249914 20386262 43124785 50965655 86249570 101931310 112124441 224248882 560622205 1121244410