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984142395961 = 61151106844251
BaseRepresentation
bin11100101001000110111…
…01010011101000111001
310111002020120112200012221
432110203131103220321
5112111010423132321
62032035255004041
7131046652225204
oct16244335235071
93432216480187
10984142395961
1134a4107a930a
1213a897369621
1371a5bb7b39a
14358c038093b
151a8ee4ebe41
hexe523753a39

984142395961 has 8 divisors (see below), whose sum is σ = 1006900230848. Its totient is φ = 961598250000.

The previous prime is 984142395953. The next prime is 984142395967. The reversal of 984142395961 is 169593241489.

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 984142395961 - 23 = 984142395953 is a prime.

It is a super-2 number, since 2×9841423959612 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (61).

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 984142395961.

It is not an unprimeable number, because it can be changed into a prime (984142395967) 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, 53412915 + ... + 53431336.

It is an arithmetic number, because the mean of its divisors is an integer number (125862528856).

Almost surely, 2984142395961 is an apocalyptic number.

It is an amenable number.

984142395961 is a deficient number, since it is larger than the sum of its proper divisors (22757834887).

984142395961 is a wasteful number, since it uses less digits than its factorization.

984142395961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106844463.

The product of its digits is 16796160, while the sum is 61.

The spelling of 984142395961 in words is "nine hundred eighty-four billion, one hundred forty-two million, three hundred ninety-five thousand, nine hundred sixty-one".

Divisors: 1 61 151 9211 106844251 6517499311 16133481901 984142395961