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190794746429 = 727256392347
BaseRepresentation
bin1011000110110001000…
…0001100101000111101
3200020110210222100111222
42301230100030220331
511111221423341204
6223352213323125
716533033405020
oct2615420145075
9606423870458
10190794746429
1173a08729a21
1230b889364a5
1314cb8195581
14933d71b1b7
154e6a251abe
hex2c6c40ca3d

190794746429 has 4 divisors (see below), whose sum is σ = 218051138784. Its totient is φ = 163538354076.

The previous prime is 190794746393. The next prime is 190794746431. The reversal of 190794746429 is 924647497091.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 924647497091 = 3018313063461.

It is a cyclic number.

It is not a de Polignac number, because 190794746429 - 28 = 190794746173 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190794746449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13628196167 + ... + 13628196180.

It is an arithmetic number, because the mean of its divisors is an integer number (54512784696).

Almost surely, 2190794746429 is an apocalyptic number.

It is an amenable number.

190794746429 is a deficient number, since it is larger than the sum of its proper divisors (27256392355).

190794746429 is an equidigital number, since it uses as much as digits as its factorization.

190794746429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27256392354.

The product of its (nonzero) digits is 27433728, while the sum is 62.

The spelling of 190794746429 in words is "one hundred ninety billion, seven hundred ninety-four million, seven hundred forty-six thousand, four hundred twenty-nine".

Divisors: 1 7 27256392347 190794746429