Search a number
-
+
80802805527493 = 71071531244128867
BaseRepresentation
bin10010010111110101011110…
…100001010011001111000101
3101121002200011110002022211021
4102113311132201103033011
541042333121203334433
6443504144005111141
723006544563401660
oct2227653641231705
9347080143068737
1080802805527493
11238233062171a5
1290901600b84b1
133611897122a1a
1415d4c3b77c6d7
15951cee1a822d
hex497d5e8533c5

80802805527493 has 32 divisors (see below), whose sum is σ = 93311434073088. Its totient is φ = 68536982563200.

The previous prime is 80802805527463. The next prime is 80802805527503. The reversal of 80802805527493 is 39472550820808.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80802805527493 is a prime.

It is a super-2 number, since 2×808028055274932 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80802805527403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2799126646 + ... + 2799155512.

It is an arithmetic number, because the mean of its divisors is an integer number (2915982314784).

Almost surely, 280802805527493 is an apocalyptic number.

It is an amenable number.

80802805527493 is a deficient number, since it is larger than the sum of its proper divisors (12508628545595).

80802805527493 is a wasteful number, since it uses less digits than its factorization.

80802805527493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32953.

The product of its (nonzero) digits is 38707200, while the sum is 61.

The spelling of 80802805527493 in words is "eighty trillion, eight hundred two billion, eight hundred five million, five hundred twenty-seven thousand, four hundred ninety-three".

Divisors: 1 7 107 749 1531 2441 10717 17087 28867 163817 202069 261187 1146719 1828309 3088769 3737171 21621383 26160197 44195377 70464347 309367639 399877297 493250429 2799141079 4728905339 7539685129 33102337373 52777795903 107880915257 755166406799 11543257932499 80802805527493