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85103731441 = 2925111691679
BaseRepresentation
bin100111101000010010…
…0111110001011110001
322010200000200111100101
41033100210332023301
52343243023401231
6103032432152401
76101643532051
oct1172044761361
9263600614311
1085103731441
1133101924053
12145b1098701
138043612751
14419491d561
1523315b5661
hex13d093e2f1

85103731441 has 8 divisors (see below), whose sum is σ = 88389100800. Its totient is φ = 81841746000.

The previous prime is 85103731439. The next prime is 85103731483. The reversal of 85103731441 is 14413730158.

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 85103731441 - 21 = 85103731439 is a prime.

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 85103731441.

It is not an unprimeable number, because it can be changed into a prime (85103731241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5838561 + ... + 5853118.

It is an arithmetic number, because the mean of its divisors is an integer number (11048637600).

Almost surely, 285103731441 is an apocalyptic number.

It is an amenable number.

85103731441 is a deficient number, since it is larger than the sum of its proper divisors (3285369359).

85103731441 is a wasteful number, since it uses less digits than its factorization.

85103731441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11691959.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 85103731441 in words is "eighty-five billion, one hundred three million, seven hundred thirty-one thousand, four hundred forty-one".

Divisors: 1 29 251 7279 11691679 339058691 2934611429 85103731441