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1242124233330 = 23541404141111
BaseRepresentation
bin10010000100110100010…
…111111010101001110010
311101202010202212212210110
4102010310113322221302
5130322332300431310
62350342441042150
7155511665530641
oct22046427725162
94352122785713
101242124233330
11439866825072
12180894a86356
1390193791366
1444194c8d358
152249ce24d20
hex121345faa72

1242124233330 has 16 divisors (see below), whose sum is σ = 2981098160064. Its totient is φ = 331233128880.

The previous prime is 1242124233323. The next prime is 1242124233433. The reversal of 1242124233330 is 333324212421.

It is a happy number.

It is a super-2 number, since 2×12421242333302 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 41404141111 = 1242124233330 / (1 + 2 + 4 + 2 + 1 + 2 + 4 + 2 + 3 + 3 + 3 + 3 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20702070526 + ... + 20702070585.

It is an arithmetic number, because the mean of its divisors is an integer number (186318635004).

Almost surely, 21242124233330 is an apocalyptic number.

1242124233330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242124233330 is an abundant number, since it is smaller than the sum of its proper divisors (1738973926734).

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

1242124233330 is a wasteful number, since it uses less digits than its factorization.

1242124233330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41404141121.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 1242124233330 its reverse (333324212421), we get a palindrome (1575448445751).

The spelling of 1242124233330 in words is "one trillion, two hundred forty-two billion, one hundred twenty-four million, two hundred thirty-three thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 41404141111 82808282222 124212423333 207020705555 248424846666 414041411110 621062116665 1242124233330