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29000191901 = 1511787107473
BaseRepresentation
bin11011000000100010…
…111100111110011101
32202212001222101111112
4123000202330332131
5433343022120101
621153354431405
72044436364302
oct330042747635
982761871445
1029000191901
111133194144a
125754132565
1329721c4385
14159174b0a9
15b4ae846bb
hex6c08bcf9d

29000191901 has 8 divisors (see below), whose sum is σ = 29208853824. Its totient is φ = 28791748800.

The previous prime is 29000191877. The next prime is 29000191933. The reversal of 29000191901 is 10919100092.

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

It is a cyclic number.

It is not a de Polignac number, because 29000191901 - 26 = 29000191837 is a prime.

It is a super-2 number, since 2×290001919012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29000191991) 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, 216101 + ... + 323573.

It is an arithmetic number, because the mean of its divisors is an integer number (3651106728).

Almost surely, 229000191901 is an apocalyptic number.

It is an amenable number.

29000191901 is a deficient number, since it is larger than the sum of its proper divisors (208661923).

29000191901 is a wasteful number, since it uses less digits than its factorization.

29000191901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109411.

The product of its (nonzero) digits is 1458, while the sum is 32.

Adding to 29000191901 its reverse (10919100092), we get a palindrome (39919291993).

The spelling of 29000191901 in words is "twenty-nine billion, one hundred ninety-one thousand, nine hundred one".

Divisors: 1 151 1787 107473 269837 16228423 192054251 29000191901