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80343634308 = 223719293171811
BaseRepresentation
bin100101011010011011…
…0101001000110000100
321200101021201111122120
41022310312221012010
52304020432244213
6100524230525540
75542663423620
oct1126466510604
9250337644576
1080343634308
1131089983683
12136a2b068b0
13776539c722
143c6266a180
15215374b423
hex12b4da9184

80343634308 has 96 divisors (see below), whose sum is σ = 226297021440. Its totient is φ = 21672800640.

The previous prime is 80343634211. The next prime is 80343634333.

80343634308 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 80343634308.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 381723 + ... + 553533.

It is an arithmetic number, because the mean of its divisors is an integer number (2357260640).

Almost surely, 280343634308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80343634308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113148510720).

80343634308 is an abundant number, since it is smaller than the sum of its proper divisors (145953387132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80343634308 is a wasteful number, since it uses less digits than its factorization.

80343634308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172137 (or 172135 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 80343634308 in words is "eighty billion, three hundred forty-three million, six hundred thirty-four thousand, three hundred eight".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 38 42 57 76 84 114 133 228 266 293 399 532 586 798 879 1172 1596 1758 2051 3516 4102 5567 6153 8204 11134 12306 16701 22268 24612 33402 38969 66804 77938 116907 155876 171811 233814 343622 467628 515433 687244 1030866 1202677 2061732 2405354 3264409 3608031 4810708 6528818 7216062 9793227 13057636 14432124 19586454 22850863 39172908 45701726 50340623 68552589 91403452 100681246 137105178 151021869 201362492 274210356 302043738 352384361 604087476 704768722 956471837 1057153083 1409537444 1912943674 2114306166 2869415511 3825887348 4228612332 5738831022 6695302859 11477662044 13390605718 20085908577 26781211436 40171817154 80343634308