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29746127749 = 1319130192567
BaseRepresentation
bin11011101101000000…
…011110001110000101
32211210001120212010011
4123231000132032011
5441410002041444
621355402430221
72102064625342
oct335500361605
984701525104
1029746127749
1111684a06058
125921b02371
132a608c8030
1416228417c9
15b916cc734
hex6ed01e385

29746127749 has 16 divisors (see below), whose sum is σ = 33746590080. Its totient is φ = 25992532800.

The previous prime is 29746127713. The next prime is 29746127753. The reversal of 29746127749 is 94772164792.

It is a happy number.

It is not a de Polignac number, because 29746127749 - 217 = 29745996677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29746127693 and 29746127702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29746127249) 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 15 ways as a sum of consecutive naturals, for example, 275064 + ... + 367630.

It is an arithmetic number, because the mean of its divisors is an integer number (2109161880).

Almost surely, 229746127749 is an apocalyptic number.

It is an amenable number.

29746127749 is a deficient number, since it is larger than the sum of its proper divisors (4000462331).

29746127749 is a wasteful number, since it uses less digits than its factorization.

29746127749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93900.

The product of its digits is 10668672, while the sum is 58.

The spelling of 29746127749 in words is "twenty-nine billion, seven hundred forty-six million, one hundred twenty-seven thousand, seven hundred forty-nine".

Divisors: 1 13 19 247 1301 16913 24719 92567 321347 1203371 1758773 22864049 120429667 1565585671 2288163673 29746127749