Search a number
-
+
80131343534 = 21123672363617
BaseRepresentation
bin100101010100000110…
…0110100010010101110
321122211111021000110022
41022220030310102232
52303102110443114
6100451204442142
75534505116234
oct1125014642256
9248744230408
1080131343534
1130a90066460
12136439a9352
137730400c98
143c423a8954
15213ecb548e
hex12a83344ae

80131343534 has 32 divisors (see below), whose sum is σ = 138867284736. Its totient is φ = 34319704320.

The previous prime is 80131343521. The next prime is 80131343543. The reversal of 80131343534 is 43534313108.

It is a junction number, because it is equal to n+sod(n) for n = 80131343494 and 80131343503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1147907 + ... + 1215710.

It is an arithmetic number, because the mean of its divisors is an integer number (4339602648).

Almost surely, 280131343534 is an apocalyptic number.

80131343534 is a deficient number, since it is larger than the sum of its proper divisors (58735941202).

80131343534 is a wasteful number, since it uses less digits than its factorization.

80131343534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363720.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 80131343534 in words is "eighty billion, one hundred thirty-one million, three hundred forty-three thousand, five hundred thirty-four".

Divisors: 1 2 11 22 23 46 67 134 253 506 737 1474 1541 3082 16951 33902 2363617 4727234 25999787 51999574 54363191 108726382 158362339 316724678 597995101 1195990202 1741985729 3483971458 3642333797 7284667594 40065671767 80131343534