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188482243631 = 11125891361089
BaseRepresentation
bin1010111110001001101…
…0101100110000101111
3200000111122121001001012
42233202122230300233
511042002423244011
6222330524335435
716421523431243
oct2574232546057
9600448531035
10188482243631
1172a31349390
12306423a457b
1314a0a063616
1491a0556423
154d82210a8b
hex2be26acc2f

188482243631 has 8 divisors (see below), whose sum is σ = 205633477200. Its totient is φ = 171333757440.

The previous prime is 188482243627. The next prime is 188482243637. The reversal of 188482243631 is 136342284881.

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

It is a cyclic number.

It is not a de Polignac number, because 188482243631 - 22 = 188482243627 is a prime.

It is a super-2 number, since 2×1884822436312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 188482243631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188482243637) 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, 542066 + ... + 819023.

It is an arithmetic number, because the mean of its divisors is an integer number (25704184650).

Almost surely, 2188482243631 is an apocalyptic number.

188482243631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

188482243631 is a deficient number, since it is larger than the sum of its proper divisors (17151233569).

188482243631 is a wasteful number, since it uses less digits than its factorization.

188482243631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373689.

The product of its digits is 1769472, while the sum is 50.

The spelling of 188482243631 in words is "one hundred eighty-eight billion, four hundred eighty-two million, two hundred forty-three thousand, six hundred thirty-one".

Divisors: 1 11 12589 138479 1361089 14971979 17134749421 188482243631