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29139574357 = 60343482899
BaseRepresentation
bin11011001000110110…
…101001111001010101
32210012210020202021201
4123020312221321111
5434134212334412
621215254112501
72051051203165
oct331066517125
983183222251
1029139574357
11113a3591563
12579294b731
1329950465ba
1415a60705a5
15b58317e57
hex6c8da9e55

29139574357 has 4 divisors (see below), whose sum is σ = 29140117600. Its totient is φ = 29139031116.

The previous prime is 29139574313. The next prime is 29139574379. The reversal of 29139574357 is 75347593192.

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.

It is a cyclic number.

It is not a de Polignac number, because 29139574357 - 211 = 29139572309 is a prime.

It is a super-2 number, since 2×291395743572 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29139574298 and 29139574307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29139574757) 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, 181107 + ... + 301792.

It is an arithmetic number, because the mean of its divisors is an integer number (7285029400).

Almost surely, 229139574357 is an apocalyptic number.

It is an amenable number.

29139574357 is a deficient number, since it is larger than the sum of its proper divisors (543243).

29139574357 is an equidigital number, since it uses as much as digits as its factorization.

29139574357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543242.

The product of its digits is 7144200, while the sum is 55.

The spelling of 29139574357 in words is "twenty-nine billion, one hundred thirty-nine million, five hundred seventy-four thousand, three hundred fifty-seven".

Divisors: 1 60343 482899 29139574357