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971492813740 = 225253119191877
BaseRepresentation
bin11100010001100010111…
…10111110101110101100
310102212121000010022120201
432020301132332232230
5111404104130014430
62022144142323244
7130121332444561
oct16106136765654
93385530108521
10971492813740
1134500a403a29
12138346b89524
13707c427aaa7
1435040390868
151a40dc178ca
hexe2317bebac

971492813740 has 24 divisors (see below), whose sum is σ = 2040941074032. Its totient is φ = 388443570240.

The previous prime is 971492813723. The next prime is 971492813741. The reversal of 971492813740 is 47318294179.

It is not an unprimeable number, because it can be changed into a prime (971492813741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9545319 + ... + 9646558.

It is an arithmetic number, because the mean of its divisors is an integer number (85039211418).

Almost surely, 2971492813740 is an apocalyptic number.

It is an amenable number.

971492813740 is an abundant number, since it is smaller than the sum of its proper divisors (1069448260292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

971492813740 is a wasteful number, since it uses less digits than its factorization.

971492813740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19194417 (or 19194415 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 971492813740 in words is "nine hundred seventy-one billion, four hundred ninety-two million, eight hundred thirteen thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 2531 5062 10124 12655 25310 50620 19191877 38383754 76767508 95959385 191918770 383837540 48574640687 97149281374 194298562748 242873203435 485746406870 971492813740