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29949349287 = 3111369812003
BaseRepresentation
bin11011111001000111…
…101100110110100111
32212022012222120122210
4123321013230312213
5442314013134122
621431502254503
72110113161064
oct337107546647
985265876583
1029949349287
1111779699440
125979b87433
132a93a3c770
141641821c6b
15ba447140c
hex6f91ecda7

29949349287 has 16 divisors (see below), whose sum is σ = 46913666688. Its totient is φ = 16754880480.

The previous prime is 29949349277. The next prime is 29949349303. The reversal of 29949349287 is 78294394992.

It is not a de Polignac number, because 29949349287 - 216 = 29949283751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29949349207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34905573 + ... + 34906430.

It is an arithmetic number, because the mean of its divisors is an integer number (2932104168).

Almost surely, 229949349287 is an apocalyptic number.

29949349287 is a deficient number, since it is larger than the sum of its proper divisors (16964317401).

29949349287 is a wasteful number, since it uses less digits than its factorization.

29949349287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69812030.

The product of its digits is 70543872, while the sum is 66.

The spelling of 29949349287 in words is "twenty-nine billion, nine hundred forty-nine million, three hundred forty-nine thousand, two hundred eighty-seven".

Divisors: 1 3 11 13 33 39 143 429 69812003 209436009 767932033 907556039 2303796099 2722668117 9983116429 29949349287