Search a number
-
+
29109119580 = 2233553905777
BaseRepresentation
bin11011000111000010…
…011110101001011100
32210010122221111012000
4123013002132221130
5434103413311310
621212245242300
72050231301562
oct330702365134
983118844160
1029109119580
1111388380422
125784703390
13298b942618
1415a1dc3a32
15b557ee4c0
hex6c709ea5c

29109119580 has 48 divisors (see below), whose sum is σ = 90561707040. Its totient is φ = 7762431744.

The previous prime is 29109119579. The next prime is 29109119581. The reversal of 29109119580 is 8591190192.

It is an interprime number because it is at equal distance from previous prime (29109119579) and next prime (29109119581).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29109119581) 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, 26952349 + ... + 26953428.

It is an arithmetic number, because the mean of its divisors is an integer number (1886702230).

Almost surely, 229109119580 is an apocalyptic number.

29109119580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29109119580 is an abundant number, since it is smaller than the sum of its proper divisors (61452587460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29109119580 is a wasteful number, since it uses less digits than its factorization.

29109119580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53905795 (or 53905787 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 45.

The spelling of 29109119580 in words is "twenty-nine billion, one hundred nine million, one hundred nineteen thousand, five hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 53905777 107811554 161717331 215623108 269528885 323434662 485151993 539057770 646869324 808586655 970303986 1078115540 1455455979 1617173310 1940607972 2425759965 2910911958 3234346620 4851519930 5821823916 7277279895 9703039860 14554559790 29109119580