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194700748297441 = 139535212
BaseRepresentation
bin101100010001010001001100…
…111100001001010011100001
3221112101012122220122100112011
4230101101030330021103201
5201004434113031004231
61530032142230232521
756003444022125131
oct5421211474112341
9845335586570464
10194700748297441
115704613a637531
1219a063867b5741
138484281418889
1436117d0686ac1
15177992ec219b1
hexb1144cf094e1

194700748297441 has 3 divisors (see below), whose sum is σ = 194700762250963. Its totient is φ = 194700734343920.

The previous prime is 194700748297411. The next prime is 194700748297457. The reversal of 194700748297441 is 144792847007491.

The square root of 194700748297441 is 13953521.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 157394061571041 + 37306686726400 = 12545679^2 + 6107920^2 .

It is not a de Polignac number, because 194700748297441 - 25 = 194700748297409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194700748297411) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6976761 + ... + 20930281.

Almost surely, 2194700748297441 is an apocalyptic number.

194700748297441 is the 13953521-st square number.

194700748297441 is the 6976761-st centered octagonal number.

It is an amenable number.

194700748297441 is a deficient number, since it is larger than the sum of its proper divisors (13953522).

194700748297441 is an frugal number, since it uses more digits than its factorization.

194700748297441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27907042 (or 13953521 counting only the distinct ones).

The product of its (nonzero) digits is 113799168, while the sum is 67.

The spelling of 194700748297441 in words is "one hundred ninety-four trillion, seven hundred billion, seven hundred forty-eight million, two hundred ninety-seven thousand, four hundred forty-one".

Divisors: 1 13953521 194700748297441