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29098830491 = 47619124053
BaseRepresentation
bin11011000110011011…
…001110101010011011
32210002221120202012122
4123012123032222123
5434043300033431
621211240531455
72050044656333
oct330633165233
983087522178
1029098830491
1111382593045
125781180b8b
13298977c2c3
1415a08a60c3
15b5496aa7b
hex6c66cea9b

29098830491 has 4 divisors (see below), whose sum is σ = 29717954592. Its totient is φ = 28479706392.

The previous prime is 29098830473. The next prime is 29098830499. The reversal of 29098830491 is 19403889092.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29098830491 is a prime.

It is a super-4 number, since 4×290988304914 (a number of 43 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29098830499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309561980 + ... + 309562073.

It is an arithmetic number, because the mean of its divisors is an integer number (7429488648).

Almost surely, 229098830491 is an apocalyptic number.

29098830491 is a deficient number, since it is larger than the sum of its proper divisors (619124101).

29098830491 is an equidigital number, since it uses as much as digits as its factorization.

29098830491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619124100.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The spelling of 29098830491 in words is "twenty-nine billion, ninety-eight million, eight hundred thirty thousand, four hundred ninety-one".

Divisors: 1 47 619124053 29098830491