Search a number
-
+
491514284371 = 111723114279071
BaseRepresentation
bin1110010011100001000…
…10001100100101010011
31201222200110211200202111
413021300202030211103
531023110124044441
61013444252530151
750340116324545
oct7116042144523
91658613750674
10491514284371
1117a4a4aaa780
127b313180957
13374710b4576
1419b0a241695
15cbbab92081
hex727088c953

491514284371 has 16 divisors (see below), whose sum is σ = 592422709248. Its totient is φ = 402262326400.

The previous prime is 491514284369. The next prime is 491514284399. The reversal of 491514284371 is 173482415194.

It is not a de Polignac number, because 491514284371 - 21 = 491514284369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (491514284341) 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 15 ways as a sum of consecutive naturals, for example, 57135235 + ... + 57143836.

It is an arithmetic number, because the mean of its divisors is an integer number (37026419328).

Almost surely, 2491514284371 is an apocalyptic number.

491514284371 is a deficient number, since it is larger than the sum of its proper divisors (100908424877).

491514284371 is a wasteful number, since it uses less digits than its factorization.

491514284371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114279122.

The product of its digits is 967680, while the sum is 49.

The spelling of 491514284371 in words is "four hundred ninety-one billion, five hundred fourteen million, two hundred eighty-four thousand, three hundred seventy-one".

Divisors: 1 11 17 23 187 253 391 4301 114279071 1257069781 1942744207 2628418633 21370186277 28912604963 44683116761 491514284371