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1240422104420 = 22562021105221
BaseRepresentation
bin10010000011001110111…
…010110011110101100100
311101120202011000202212222
4102003032322303311210
5130310341024320140
62345501514331512
7155421546630662
oct22031672636544
94346664022788
101240422104420
11439072a38464
1218049aa29b98
138cc81c4aaa5
1444072bb1c32
15223ed7a05b5
hex120ceeb3d64

1240422104420 has 12 divisors (see below), whose sum is σ = 2604886419324. Its totient is φ = 496168841760.

The previous prime is 1240422104419. The next prime is 1240422104473. The reversal of 1240422104420 is 244012240421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 397154560804 + 843267543616 = 630202^2 + 918296^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1240422104420.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31010552591 + ... + 31010552630.

It is an arithmetic number, because the mean of its divisors is an integer number (217073868277).

Almost surely, 21240422104420 is an apocalyptic number.

1240422104420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1240422104420 is an abundant number, since it is smaller than the sum of its proper divisors (1364464314904).

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

1240422104420 is a wasteful number, since it uses less digits than its factorization.

1240422104420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62021105230 (or 62021105228 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 1240422104420 its reverse (244012240421), we get a palindrome (1484434344841).

The spelling of 1240422104420 in words is "one trillion, two hundred forty billion, four hundred twenty-two million, one hundred four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 62021105221 124042210442 248084420884 310105526105 620211052210 1240422104420