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1240051122 = 23268891729
BaseRepresentation
bin100100111101001…
…1010110110110010
310012102101010100100
41021322122312302
510014423113442
6323014333230
742505155252
oct11172326662
93172333310
101240051122
11586a81842
122a735a216
13169ba837b
14ba997962
1573cec84c
hex49e9adb2

1240051122 has 12 divisors (see below), whose sum is σ = 2686777470. Its totient is φ = 413350368.

The previous prime is 1240051121. The next prime is 1240051133. The reversal of 1240051122 is 2211500421.

It can be written as a sum of positive squares in only one way, i.e., 1025984961 + 214066161 = 32031^2 + 14631^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 68891729 = 1240051122 / (1 + 2 + 4 + 0 + 0 + 5 + 1 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 1240051095 and 1240051104.

It is not an unprimeable number, because it can be changed into a prime (1240051121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34445847 + ... + 34445882.

Almost surely, 21240051122 is an apocalyptic number.

1240051122 is an abundant number, since it is smaller than the sum of its proper divisors (1446726348).

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

1240051122 is a wasteful number, since it uses less digits than its factorization.

1240051122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68891737 (or 68891734 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1240051122 is about 35214.3595994589. The cubic root of 1240051122 is about 1074.3518348344.

Adding to 1240051122 its reverse (2211500421), we get a palindrome (3451551543).

The spelling of 1240051122 in words is "one billion, two hundred forty million, fifty-one thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 68891729 137783458 206675187 413350374 620025561 1240051122