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1982695867632 = 243243320202821
BaseRepresentation
bin11100110110100001111…
…000100000010011110000
321000112200111001211212200
4130312201320200103300
5224441030120231012
64114500553223200
7263150023543404
oct34664170402360
97015614054780
101982695867632
116a4947146047
12280314a01b00
13114c765572ac
146bd6a643104
1536893c7c3dc
hex1cda1e204f0

1982695867632 has 60 divisors (see below), whose sum is σ = 5677836439704. Its totient is φ = 645528885120.

The previous prime is 1982695867631. The next prime is 1982695867643. The reversal of 1982695867632 is 2367685962891.

It is a happy number.

1982695867632 is a `hidden beast` number, since 1 + 9 + 8 + 2 + 6 + 9 + 586 + 7 + 6 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982695867631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160095219 + ... + 160107602.

Almost surely, 21982695867632 is an apocalyptic number.

1982695867632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1982695867632 is an abundant number, since it is smaller than the sum of its proper divisors (3695140572072).

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

1982695867632 is a wasteful number, since it uses less digits than its factorization.

1982695867632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320202878 (or 320202869 counting only the distinct ones).

The product of its digits is 470292480, while the sum is 72.

The spelling of 1982695867632 in words is "one trillion, nine hundred eighty-two billion, six hundred ninety-five million, eight hundred sixty-seven thousand, six hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 43 48 72 86 129 144 172 258 344 387 516 688 774 1032 1548 2064 3096 6192 320202821 640405642 960608463 1280811284 1921216926 2561622568 2881825389 3842433852 5123245136 5763650778 7684867704 11527301556 13768721303 15369735408 23054603112 27537442606 41306163909 46109206224 55074885212 82612327818 110149770424 123918491727 165224655636 220299540848 247836983454 330449311272 495673966908 660898622544 991347933816 1982695867632