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192433120657 = 661291124237
BaseRepresentation
bin1011001100110111101…
…0000110010110010001
3200101200222212101102221
42303031322012112101
511123100334330112
6224222541341041
716621446352201
oct2631572062621
9611628771387
10192433120657
1174679530808
1231365567781
13151b9745b8b
149457160401
155013ed0e07
hex2ccde86591

192433120657 has 4 divisors (see below), whose sum is σ = 192724245556. Its totient is φ = 192141995760.

The previous prime is 192433120631. The next prime is 192433120667. The reversal of 192433120657 is 756021334291.

192433120657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 108454296976 + 83978823681 = 329324^2 + 289791^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-192433120657 is a prime.

It is a super-2 number, since 2×1924331206572 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (192433120667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145561458 + ... + 145562779.

It is an arithmetic number, because the mean of its divisors is an integer number (48181061389).

Almost surely, 2192433120657 is an apocalyptic number.

It is an amenable number.

192433120657 is a deficient number, since it is larger than the sum of its proper divisors (291124899).

192433120657 is an equidigital number, since it uses as much as digits as its factorization.

192433120657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291124898.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 192433120657 in words is "one hundred ninety-two billion, four hundred thirty-three million, one hundred twenty thousand, six hundred fifty-seven".

Divisors: 1 661 291124237 192433120657