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29029493731 = 75577445369
BaseRepresentation
bin11011000010010010…
…101110101111100011
32202221010010002001111
4123002102232233203
5433423022244411
621200322444151
72045243424340
oct330222565743
982833102044
1029029493731
1111347435337
125761b03657
1329782b3634
1415955b77c7
15b4d821721
hex6c24aebe3

29029493731 has 8 divisors (see below), whose sum is σ = 33236131680. Its totient is φ = 24837747648.

The previous prime is 29029493687. The next prime is 29029493761. The reversal of 29029493731 is 13739492092.

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

It is not a de Polignac number, because 29029493731 - 215 = 29029460963 is a prime.

It is a super-2 number, since 2×290294937312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29029493761) 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, 3718786 + ... + 3726583.

It is an arithmetic number, because the mean of its divisors is an integer number (4154516460).

Almost surely, 229029493731 is an apocalyptic number.

29029493731 is a deficient number, since it is larger than the sum of its proper divisors (4206637949).

29029493731 is an equidigital number, since it uses as much as digits as its factorization.

29029493731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7445933.

The product of its (nonzero) digits is 734832, while the sum is 49.

The spelling of 29029493731 in words is "twenty-nine billion, twenty-nine million, four hundred ninety-three thousand, seven hundred thirty-one".

Divisors: 1 7 557 3899 7445369 52117583 4147070533 29029493731