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972043115641 = 13109685986673
BaseRepresentation
bin11100010010100100100…
…10001101110001111001
310102221000100121112212121
432021102102031301321
5111411221014200031
62022314521241241
7130141064104363
oct16112222156171
93387010545777
10972043115641
11345271aa7994
1213847b333221
1370881295810
14350934bbd33
151a4421ba011
hexe25248dc79

972043115641 has 8 divisors (see below), whose sum is σ = 1056419477960. Its totient is φ = 889038726912.

The previous prime is 972043115627. The next prime is 972043115663. The reversal of 972043115641 is 146511340279.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 207187922041 + 764855193600 = 455179^2 + 874560^2 .

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 972043115641 - 27 = 972043115513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (972043115441) 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, 342991920 + ... + 342994753.

It is an arithmetic number, because the mean of its divisors is an integer number (132052434745).

Almost surely, 2972043115641 is an apocalyptic number.

It is an amenable number.

972043115641 is a deficient number, since it is larger than the sum of its proper divisors (84376362319).

972043115641 is a wasteful number, since it uses less digits than its factorization.

972043115641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685986795.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 972043115641 in words is "nine hundred seventy-two billion, forty-three million, one hundred fifteen thousand, six hundred forty-one".

Divisors: 1 13 109 1417 685986673 8917826749 74772547357 972043115641