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29899498371 = 319618599223
BaseRepresentation
bin11011110110001001…
…100010001110000011
32212011202011220001120
4123312021202032003
5442213232421441
621422522003323
72105636354121
oct336611421603
985152156046
1029899498371
111175353a736
125965346543
132a86607192
141638d66911
15b9edc5966
hex6f6262383

29899498371 has 16 divisors (see below), whose sum is σ = 42652151040. Its totient is φ = 18574319520.

The previous prime is 29899498351. The next prime is 29899498379. The reversal of 29899498371 is 17389499892.

It is not a de Polignac number, because 29899498371 - 27 = 29899498243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29899498296 and 29899498305.

It is not an unprimeable number, because it can be changed into a prime (29899498379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4296135 + ... + 4303088.

It is an arithmetic number, because the mean of its divisors is an integer number (2665759440).

Almost surely, 229899498371 is an apocalyptic number.

29899498371 is a deficient number, since it is larger than the sum of its proper divisors (12752652669).

29899498371 is a wasteful number, since it uses less digits than its factorization.

29899498371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8599306.

The product of its digits is 70543872, while the sum is 69.

The spelling of 29899498371 in words is "twenty-nine billion, eight hundred ninety-nine million, four hundred ninety-eight thousand, three hundred seventy-one".

Divisors: 1 3 19 57 61 183 1159 3477 8599223 25797669 163385237 490155711 524552603 1573657809 9966499457 29899498371