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29148398311 = 55219527869
BaseRepresentation
bin11011001001011000…
…010100001011100111
32210020101212001110211
4123021120110023213
5434143442221221
621220211200251
72051216204044
oct331130241347
983211761424
1029148398311
11113a856908a
1257958a6087
132996b15a86
1415a72ca1cb
15b58eac6e1
hex6c96142e7

29148398311 has 4 divisors (see below), whose sum is σ = 29148981400. Its totient is φ = 29147815224.

The previous prime is 29148398281. The next prime is 29148398317. The reversal of 29148398311 is 11389384192.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29148398311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29148398317) 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, 208716 + ... + 319153.

It is an arithmetic number, because the mean of its divisors is an integer number (7287245350).

Almost surely, 229148398311 is an apocalyptic number.

29148398311 is a deficient number, since it is larger than the sum of its proper divisors (583089).

29148398311 is an equidigital number, since it uses as much as digits as its factorization.

29148398311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583088.

The product of its digits is 373248, while the sum is 49.

The spelling of 29148398311 in words is "twenty-nine billion, one hundred forty-eight million, three hundred ninety-eight thousand, three hundred eleven".

Divisors: 1 55219 527869 29148398311