Search a number
-
+
80257133554 = 21361208724247
BaseRepresentation
bin100101010111110110…
…0101010101111110010
321200011020221210220221
41022233230222233302
52303331311233204
6100511500523254
75540563244053
oct1125754525762
9250136853827
1080257133554
1131045072354
1213679b5052a
1377504a4450
143c54d9072a
15214ad61654
hex12afb2abf2

80257133554 has 32 divisors (see below), whose sum is σ = 131840061696. Its totient is φ = 36415552320.

The previous prime is 80257133543. The next prime is 80257133609. The reversal of 80257133554 is 45533175208.

It is a self number, because there is not a number n which added to its sum of digits gives 80257133554.

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, 3297859 + ... + 3322105.

It is an arithmetic number, because the mean of its divisors is an integer number (4120001928).

Almost surely, 280257133554 is an apocalyptic number.

80257133554 is a deficient number, since it is larger than the sum of its proper divisors (51582928142).

80257133554 is a wasteful number, since it uses less digits than its factorization.

80257133554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26410.

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 80257133554 in words is "eighty billion, two hundred fifty-seven million, one hundred thirty-three thousand, five hundred fifty-four".

Divisors: 1 2 13 26 61 122 793 1586 2087 4174 24247 27131 48494 54262 127307 254614 315211 630422 1479067 1654991 2958134 3309982 19227871 38455742 50603489 101206978 657845357 1315690714 3086812829 6173625658 40128566777 80257133554