Search a number
-
+
6489223706077 = 747711493186071
BaseRepresentation
bin101111001101110001111…
…0111111011010111011101
3211222100211011020210221121
41132123203313323113131
51322304412232043302
621445035212530541
71236555004255150
oct136334367732735
924870734223847
106489223706077
112082078676812
128897a3a80a51
13380c14a1a798
14186119b35c97
15b3bed9b9e37
hex5e6e3dfb5dd

6489223706077 has 32 divisors (see below), whose sum is σ = 7685910872064. Its totient is φ = 5363549620800.

The previous prime is 6489223706041. The next prime is 6489223706107. The reversal of 6489223706077 is 7706073229846.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-6489223706077 is a prime.

It is a super-2 number, since 2×64892237060772 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6489223706377) 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, 34781952 + ... + 34968022.

It is an arithmetic number, because the mean of its divisors is an integer number (240184714752).

Almost surely, 26489223706077 is an apocalyptic number.

It is an amenable number.

6489223706077 is a deficient number, since it is larger than the sum of its proper divisors (1196687165987).

6489223706077 is a wasteful number, since it uses less digits than its factorization.

6489223706077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187689.

The product of its (nonzero) digits is 42674688, while the sum is 61.

The spelling of 6489223706077 in words is "six trillion, four hundred eighty-nine billion, two hundred twenty-three million, seven hundred six thousand, seventy-seven".

Divisors: 1 7 47 71 329 497 1493 3337 10451 23359 70171 106003 186071 491197 742021 1302497 4982141 8745337 13211041 34874987 61217359 92477287 277804003 620918927 1944628021 4346432489 13056788141 19724084213 91397516987 138068589491 927031958011 6489223706077