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1970581443076 = 22292242032
BaseRepresentation
bin11100101011001111110…
…011101001001000000100
320222101102012122022112201
4130223033303221020010
5224241222322134301
64105134515124244
7262240562616361
oct34531763511004
96871365568481
101970581443076
1169a79a940624
12279ab38a3684
13113a9579b53c
146b53b75b468
15363d5458201
hex1cacfce9204

1970581443076 has 27 divisors (see below), whose sum is σ = 3571679991061. Its totient is φ = 951275873744.

The previous prime is 1970581443071. The next prime is 1970581443091. The reversal of 1970581443076 is 6703441850791.

The square root of 1970581443076 is 1403774.

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., 1033325108676 + 937256334400 = 1016526^2 + 968120^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1970581443071) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 81406791 + ... + 81430993.

Almost surely, 21970581443076 is an apocalyptic number.

1970581443076 is the 1403774-th square number.

It is an amenable number.

1970581443076 is a deficient number, since it is larger than the sum of its proper divisors (1601098547985).

1970581443076 is an frugal number, since it uses more digits than its factorization.

1970581443076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48468 (or 24234 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 1970581443076 in words is "one trillion, nine hundred seventy billion, five hundred eighty-one million, four hundred forty-three thousand, seventy-six".

Divisors: 1 2 4 29 58 116 841 1682 3364 24203 48406 96812 701887 1403774 2807548 20354723 40709446 81418892 585785209 1171570418 2343140836 16987771061 33975542122 67951084244 492645360769 985290721538 1970581443076