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74677442231 = 771150256423
BaseRepresentation
bin100010110001100011…
…1110101011010110111
321010202101210010100202
41011203013311122313
52210414411122411
654150100431115
75252401533320
oct1054307653267
9233671703322
1074677442231
1129741518707
12125813a849b
13707150aa52
143885d11447
151e2109e83b
hex11631f56b7

74677442231 has 8 divisors (see below), whose sum is σ = 86547700224. Its totient is φ = 63107697240.

The previous prime is 74677442227. The next prime is 74677442237. The reversal of 74677442231 is 13224477647.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74677442231 - 22 = 74677442227 is a prime.

It is a super-2 number, since 2×746774422312 (a number of 23 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 (74677442237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75127715 + ... + 75128708.

It is an arithmetic number, because the mean of its divisors is an integer number (10818462528).

Almost surely, 274677442231 is an apocalyptic number.

74677442231 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

74677442231 is a deficient number, since it is larger than the sum of its proper divisors (11870257993).

74677442231 is a wasteful number, since it uses less digits than its factorization.

74677442231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150256501.

The product of its digits is 1580544, while the sum is 47.

The spelling of 74677442231 in words is "seventy-four billion, six hundred seventy-seven million, four hundred forty-two thousand, two hundred thirty-one".

Divisors: 1 7 71 497 150256423 1051794961 10668206033 74677442231