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80282830031 = 136275891453
BaseRepresentation
bin100101011000100111…
…0101100010011001111
321200020001022022212022
41022301032230103033
52303404401030111
6100514215400355
75541324536645
oct1126116542317
9250201268768
1080282830031
1131058623508
12136866830bb
137755900671
143c5855d195
15214d23a2db
hex12b13ac4cf

80282830031 has 4 divisors (see below), whose sum is σ = 80288735112. Its totient is φ = 80276924952.

The previous prime is 80282830013. The next prime is 80282830049. The reversal of 80282830031 is 13003828208.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (80282830013) and next prime (80282830049).

It is a cyclic number.

It is not a de Polignac number, because 80282830031 - 218 = 80282567887 is a prime.

It is a super-2 number, since 2×802828300312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80282829973 and 80282830000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80282830051) 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 3 ways as a sum of consecutive naturals, for example, 2932100 + ... + 2959353.

It is an arithmetic number, because the mean of its divisors is an integer number (20072183778).

Almost surely, 280282830031 is an apocalyptic number.

80282830031 is a deficient number, since it is larger than the sum of its proper divisors (5905081).

80282830031 is a wasteful number, since it uses less digits than its factorization.

80282830031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5905080.

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 80282830031 in words is "eighty billion, two hundred eighty-two million, eight hundred thirty thousand, thirty-one".

Divisors: 1 13627 5891453 80282830031