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8012180253 = 3711283122561
BaseRepresentation
bin1110111011001000…
…00010101100011101
3202200101022221001210
413131210002230131
5112402104232003
63403012455033
7402356260050
oct73544025435
922611287053
108012180253
113441737680
12167731a479
139a8c1917c
14560158a97
1531d604503
hex1dd902b1d

8012180253 has 32 divisors (see below), whose sum is σ = 13366121472. Its totient is φ = 4147430400.

The previous prime is 8012180227. The next prime is 8012180261. The reversal of 8012180253 is 3520812108.

It is not a de Polignac number, because 8012180253 - 28 = 8012179997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8012180253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8012180213) 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 31 ways as a sum of consecutive naturals, for example, 4093 + ... + 126653.

It is an arithmetic number, because the mean of its divisors is an integer number (417691296).

Almost surely, 28012180253 is an apocalyptic number.

It is an amenable number.

8012180253 is a deficient number, since it is larger than the sum of its proper divisors (5353941219).

8012180253 is a wasteful number, since it uses less digits than its factorization.

8012180253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122865.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 8012180253 is about 89510.7828867562. The cubic root of 8012180253 is about 2001.0145063847.

The spelling of 8012180253 in words is "eight billion, twelve million, one hundred eighty thousand, two hundred fifty-three".

Divisors: 1 3 7 11 21 33 77 231 283 849 1981 3113 5943 9339 21791 65373 122561 367683 857927 1348171 2573781 4044513 9437197 28311591 34684763 104054289 242793341 381532393 728380023 1144597179 2670726751 8012180253