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194702445001 = 4412512
BaseRepresentation
bin1011010101010100101…
…0111000100111001001
3200121120011000000012201
42311111022320213021
511142222311220001
6225240045040201
720031623322151
oct2652512704711
9617504000181
10194702445001
11756334aa779
1231899556061
131548b93a64c
1495d06c5761
1550e8343501
hex2d552b89c9

194702445001 has 3 divisors (see below), whose sum is σ = 194702886253. Its totient is φ = 194702003750.

The previous prime is 194702444987. The next prime is 194702445037. The reversal of 194702445001 is 100544207491.

The square root of 194702445001 is 441251.

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

194702445001 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, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 194702445001 - 213 = 194702436809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194702445101) 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 2 ways as a sum of consecutive naturals, for example, 220626 + ... + 661876.

Almost surely, 2194702445001 is an apocalyptic number.

194702445001 is the 441251-st square number.

194702445001 is the 220626-th centered octagonal number.

It is an amenable number.

194702445001 is a deficient number, since it is larger than the sum of its proper divisors (441252).

194702445001 is an frugal number, since it uses more digits than its factorization.

194702445001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882502 (or 441251 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 194702445001 in words is "one hundred ninety-four billion, seven hundred two million, four hundred forty-five thousand, one".

Divisors: 1 441251 194702445001