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11842018687 = 241283173629
BaseRepresentation
bin10110000011101011…
…01101110101111111
31010120021211212201201
423001311231311333
5143223024044222
65235023320331
7566312332552
oct130165556577
933507755651
1011842018687
115027568a04
122365a500a7
1311694ccb65
14804a56699
15494966427
hex2c1d6dd7f

11842018687 has 8 divisors (see below), whose sum is σ = 11933242640. Its totient is φ = 11751143040.

The previous prime is 11842018667. The next prime is 11842018739. The reversal of 11842018687 is 78681024811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11842018687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11842018637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18612 + ... + 155017.

It is an arithmetic number, because the mean of its divisors is an integer number (1491655330).

Almost surely, 211842018687 is an apocalyptic number.

11842018687 is a deficient number, since it is larger than the sum of its proper divisors (91223953).

11842018687 is a wasteful number, since it uses less digits than its factorization.

11842018687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174153.

The product of its (nonzero) digits is 172032, while the sum is 46.

The spelling of 11842018687 in words is "eleven billion, eight hundred forty-two million, eighteen thousand, six hundred eighty-seven".

Divisors: 1 241 283 68203 173629 41844589 49137007 11842018687