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83671281001 = 7113729368649
BaseRepresentation
bin100110111101100110…
…0100110110101101001
321222222012021110202101
41031323030212311221
52332324321443001
6102234341533401
76021311103520
oct1157314466551
9258865243671
1083671281001
1132537290910
1214271414261
137b75911839
14409a5a14b7
15229a960a01
hex137b326d69

83671281001 has 16 divisors (see below), whose sum is σ = 107136835200. Its totient is φ = 63436279680.

The previous prime is 83671280993. The next prime is 83671281047. The reversal of 83671281001 is 10018217638.

It is a cyclic number.

It is not a de Polignac number, because 83671281001 - 23 = 83671280993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83671281091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14681476 + ... + 14687173.

It is an arithmetic number, because the mean of its divisors is an integer number (6696052200).

Almost surely, 283671281001 is an apocalyptic number.

It is an amenable number.

83671281001 is a deficient number, since it is larger than the sum of its proper divisors (23465554199).

83671281001 is a wasteful number, since it uses less digits than its factorization.

83671281001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29368704.

The product of its (nonzero) digits is 16128, while the sum is 37.

Adding to 83671281001 its reverse (10018217638), we get a palindrome (93689498639).

The spelling of 83671281001 in words is "eighty-three billion, six hundred seventy-one million, two hundred eighty-one thousand, one".

Divisors: 1 7 11 37 77 259 407 2849 29368649 205580543 323055139 1086640013 2261385973 7606480091 11953040143 83671281001