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1972693284676 = 2283284612
BaseRepresentation
bin11100101101001101101…
…011101011011101000100
320222120212101102222121021
4130231031223223131010
5224310033440102201
64110124235200524
7262344115153102
oct34551553533504
96876771388537
101972693284676
116a0683a27464
1227a3a2ba6144
1311404117425a
146b69c00ac72
15364aaa5dea1
hex1cb4daeb744

1972693284676 has 27 divisors (see below), whose sum is σ = 3494720337213. Its totient is φ = 974347776720.

The previous prime is 1972693284673. The next prime is 1972693284733. The reversal of 1972693284676 is 6764823962791.

The square root of 1972693284676 is 1404526.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1650387286276 + 322305998400 = 1284674^2 + 567720^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1972693284671) 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 8 ways as a sum of consecutive naturals, for example, 233147086 + ... + 233155546.

Almost surely, 21972693284676 is an apocalyptic number.

1972693284676 is the 1404526-th square number.

It is an amenable number.

1972693284676 is a deficient number, since it is larger than the sum of its proper divisors (1522027052537).

1972693284676 is an frugal number, since it uses more digits than its factorization.

1972693284676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17092 (or 8546 counting only the distinct ones).

The product of its digits is 329204736, while the sum is 70.

The spelling of 1972693284676 in words is "one trillion, nine hundred seventy-two billion, six hundred ninety-three million, two hundred eighty-four thousand, six hundred seventy-six".

Divisors: 1 2 4 83 166 332 6889 8461 13778 16922 27556 33844 702263 1404526 2809052 58287829 71588521 116575658 143177042 233151316 286354084 5941847243 11883694486 23767388972 493173321169 986346642338 1972693284676