Search a number
-
+
491063466760 = 23517722152157
BaseRepresentation
bin1110010010101011010…
…10011101101100001000
31201221112001112210020221
413021111222131230020
531021144221414020
61013331430155424
750323003411516
oct7112552355410
91657461483227
10491063466760
1117a293585839
127b2081b2b74
13373cb88c699
1419aa640d4b6
15cb912e16aa
hex7255a9db08

491063466760 has 32 divisors (see below), whose sum is σ = 1169886495960. Its totient is φ = 184870951936.

The previous prime is 491063466731. The next prime is 491063466781. The reversal of 491063466760 is 67664360194.

It can be written as a sum of positive squares in 4 ways, for example, as 386259764004 + 104803702756 = 621498^2 + 323734^2 .

It is a super-2 number, since 2×4910634667602 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 491063466698 and 491063466707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361075399 + ... + 361076758.

Almost surely, 2491063466760 is an apocalyptic number.

491063466760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

491063466760 is an abundant number, since it is smaller than the sum of its proper divisors (678823029200).

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

491063466760 is a wasteful number, since it uses less digits than its factorization.

491063466760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722152185 (or 722152181 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 52.

The spelling of 491063466760 in words is "four hundred ninety-one billion, sixty-three million, four hundred sixty-six thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 722152157 1444304314 2888608628 3610760785 5777217256 7221521570 12276586669 14443043140 24553173338 28886086280 49106346676 61382933345 98212693352 122765866690 245531733380 491063466760