Search a number
-
+
891936047314 = 21373469934693
BaseRepresentation
bin11001111101010111000…
…10000000000011010010
310011021020120000211202001
430332223202000003102
5104103141112003224
61521425540544214
7121304002211254
oct14765342000322
93137216024661
10891936047314
113142a4711894
12124a436b206a
1366155c13b80
1431254431cd4
15183045ec544
hexcfab8800d2

891936047314 has 16 divisors (see below), whose sum is σ = 1460557028952. Its totient is φ = 406023573888.

The previous prime is 891936047311. The next prime is 891936047333. The reversal of 891936047314 is 413740639198.

It can be written as a sum of positive squares in 4 ways, for example, as 370110406689 + 521825640625 = 608367^2 + 722375^2 .

It is a super-2 number, since 2×8919360473142 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (891936047311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234965449 + ... + 234969244.

Almost surely, 2891936047314 is an apocalyptic number.

891936047314 is a deficient number, since it is larger than the sum of its proper divisors (568620981638).

891936047314 is a wasteful number, since it uses less digits than its factorization.

891936047314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469934781.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 891936047314 in words is "eight hundred ninety-one billion, nine hundred thirty-six million, forty-seven thousand, three hundred fourteen".

Divisors: 1 2 13 26 73 146 949 1898 469934693 939869386 6109151009 12218302018 34305232589 68610465178 445968023657 891936047314