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29103203971 = 43739271489
BaseRepresentation
bin11011000110101011…
…111010011010000011
32210010020210221111101
4123012223322122003
5434100410011341
621211514355231
72050130103112
oct330653723203
983106727441
1029103203971
1111384aaa996
12578272bb17
13298a650b6a
1415a12c3c79
15b55031831
hex6c6afa683

29103203971 has 8 divisors (see below), whose sum is σ = 30187971440. Its totient is φ = 28036979712.

The previous prime is 29103203959. The next prime is 29103203977. The reversal of 29103203971 is 17930230192.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29103203971 - 233 = 20513269379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29103203971.

It is not an unprimeable number, because it can be changed into a prime (29103203977) 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 7 ways as a sum of consecutive naturals, for example, 4632606 + ... + 4638883.

It is an arithmetic number, because the mean of its divisors is an integer number (3773496430).

Almost surely, 229103203971 is an apocalyptic number.

29103203971 is a deficient number, since it is larger than the sum of its proper divisors (1084767469).

29103203971 is an equidigital number, since it uses as much as digits as its factorization.

29103203971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9271605.

The product of its (nonzero) digits is 20412, while the sum is 37.

The spelling of 29103203971 in words is "twenty-nine billion, one hundred three million, two hundred three thousand, nine hundred seventy-one".

Divisors: 1 43 73 3139 9271489 398674027 676818697 29103203971