Search a number
-
+
80111655001 = 733749339107
BaseRepresentation
bin100101010011100000…
…1101101100001011001
321122210010012201212101
41022213001231201121
52303032040430001
6100445222443401
75534145555250
oct1124701554131
9248703181771
1080111655001
1130a7aa39144
1213639293561
1377292c9571
143c3d921797
15213d1c6a01
hex12a706d859

80111655001 has 8 divisors (see below), whose sum is σ = 91559160000. Its totient is φ = 68664895728.

The previous prime is 80111654989. The next prime is 80111655007. The reversal of 80111655001 is 10055611108.

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-80111655001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80111655007) 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 7 ways as a sum of consecutive naturals, for example, 66690 + ... + 405796.

It is an arithmetic number, because the mean of its divisors is an integer number (11444895000).

Almost surely, 280111655001 is an apocalyptic number.

It is an amenable number.

80111655001 is a deficient number, since it is larger than the sum of its proper divisors (11447504999).

80111655001 is a wasteful number, since it uses less digits than its factorization.

80111655001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372863.

The product of its (nonzero) digits is 1200, while the sum is 28.

The spelling of 80111655001 in words is "eighty billion, one hundred eleven million, six hundred fifty-five thousand, one".

Divisors: 1 7 33749 236243 339107 2373749 11444522143 80111655001