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29905090503 = 343231822407
BaseRepresentation
bin11011110110011110…
…110111011111000111
32212012010201000000120
4123312132313133013
5442221200344003
621423241513023
72106035034531
oct336636673707
985163630016
1029905090503
111175670a132
1259671a2773
132a87814632
1416399c0851
15ba062c853
hex6f67b77c7

29905090503 has 8 divisors (see below), whose sum is σ = 40800743808. Its totient is φ = 19473082104.

The previous prime is 29905090477. The next prime is 29905090511. The reversal of 29905090503 is 30509050992.

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

It is not a de Polignac number, because 29905090503 - 210 = 29905089479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29905090513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115911075 + ... + 115911332.

It is an arithmetic number, because the mean of its divisors is an integer number (5100092976).

Almost surely, 229905090503 is an apocalyptic number.

29905090503 is a deficient number, since it is larger than the sum of its proper divisors (10895653305).

29905090503 is a wasteful number, since it uses less digits than its factorization.

29905090503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231822453.

The product of its (nonzero) digits is 109350, while the sum is 42.

The spelling of 29905090503 in words is "twenty-nine billion, nine hundred five million, ninety thousand, five hundred three".

Divisors: 1 3 43 129 231822407 695467221 9968363501 29905090503