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29680301741 = 199491487809
BaseRepresentation
bin11011101001000101…
…010111011010101101
32211121110201112210212
4123221011113122231
5441241124123431
621345051512205
72100335254646
oct335105273255
984543645725
1029680301741
1111650835aa2
125903a58665
132a5008b32c
141617bc86cd
15b8aa2872b
hex6e91576ad

29680301741 has 4 divisors (see below), whose sum is σ = 29681809500. Its totient is φ = 29678793984.

The previous prime is 29680301737. The next prime is 29680301743. The reversal of 29680301741 is 14710308692.

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 1339926025 + 28340375716 = 36605^2 + 168346^2 .

It is a cyclic number.

It is not a de Polignac number, because 29680301741 - 22 = 29680301737 is a prime.

It is a super-2 number, since 2×296803017412 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29680301743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723956 + ... + 763853.

It is an arithmetic number, because the mean of its divisors is an integer number (7420452375).

Almost surely, 229680301741 is an apocalyptic number.

It is an amenable number.

29680301741 is a deficient number, since it is larger than the sum of its proper divisors (1507759).

29680301741 is a wasteful number, since it uses less digits than its factorization.

29680301741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507758.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 29680301741 in words is "twenty-nine billion, six hundred eighty million, three hundred one thousand, seven hundred forty-one".

Divisors: 1 19949 1487809 29680301741