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29764011819 = 39921337273
BaseRepresentation
bin11011101110000100…
…101100011100101011
32211211022020110110010
4123232010230130223
5441424041334234
621401242023003
72102402632443
oct335604543453
984738213403
1029764011819
1111694010683
125927aa7a63
132a6451a319
141624d79123
15b930616e9
hex6ee12c72b

29764011819 has 4 divisors (see below), whose sum is σ = 39685349096. Its totient is φ = 19842674544.

The previous prime is 29764011817. The next prime is 29764011839. The reversal of 29764011819 is 91811046792.

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

It is not a de Polignac number, because 29764011819 - 21 = 29764011817 is a prime.

It is a super-2 number, since 2×297640118192 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29764011817) 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, 4960668634 + ... + 4960668639.

It is an arithmetic number, because the mean of its divisors is an integer number (9921337274).

Almost surely, 229764011819 is an apocalyptic number.

29764011819 is a deficient number, since it is larger than the sum of its proper divisors (9921337277).

29764011819 is an equidigital number, since it uses as much as digits as its factorization.

29764011819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9921337276.

The product of its (nonzero) digits is 217728, while the sum is 48.

The spelling of 29764011819 in words is "twenty-nine billion, seven hundred sixty-four million, eleven thousand, eight hundred nineteen".

Divisors: 1 3 9921337273 29764011819