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18752038341 = 3109104954667
BaseRepresentation
bin10001011101101101…
…010110010111000101
31210101212021020200120
4101131231112113011
5301401010211331
612340425132153
71232456460501
oct213555262705
953355236616
1018752038341
117a53044a53
12377402a059
1319cac8ca9a
14c9c66d301
1574b409796
hex45db565c5

18752038341 has 16 divisors (see below), whose sum is σ = 25256616000. Its totient is φ = 12374633088.

The previous prime is 18752038337. The next prime is 18752038387. The reversal of 18752038341 is 14383025781.

It is not a de Polignac number, because 18752038341 - 22 = 18752038337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18752038293 and 18752038302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18752038321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315690 + ... + 370356.

It is an arithmetic number, because the mean of its divisors is an integer number (1578538500).

Almost surely, 218752038341 is an apocalyptic number.

It is an amenable number.

18752038341 is a deficient number, since it is larger than the sum of its proper divisors (6504577659).

18752038341 is a wasteful number, since it uses less digits than its factorization.

18752038341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55828.

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 18752038341 in words is "eighteen billion, seven hundred fifty-two million, thirty-eight thousand, three hundred forty-one".

Divisors: 1 3 109 327 1049 3147 54667 114341 164001 343023 5958703 17876109 57345683 172037049 6250679447 18752038341