Base | Representation |
---|---|
bin | 11011001000101111… |
… | …110011100101100000 |
3 | 2210012122212112120111 |
4 | 123020233303211200 |
5 | 434133232412130 |
6 | 21215151421104 |
7 | 2051030015056 |
oct | 331057634540 |
9 | 83178775514 |
10 | 29137779040 |
11 | 113a2575727 |
12 | 5792224794 |
13 | 2994868396 |
14 | 15a5b241d6 |
15 | b580b102a |
hex | 6c8bf3960 |
29137779040 has 48 divisors (see below), whose sum is σ = 68853812832. Its totient is φ = 11652434944.
The previous prime is 29137778959. The next prime is 29137779043. The reversal of 29137779040 is 4097773192.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29137779043) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771477 + ... + 808363.
It is an arithmetic number, because the mean of its divisors is an integer number (1434454434).
Almost surely, 229137779040 is an apocalyptic number.
29137779040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
29137779040 is an abundant number, since it is smaller than the sum of its proper divisors (39716033792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29137779040 is a wasteful number, since it uses less digits than its factorization.
29137779040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41839 (or 41831 counting only the distinct ones).
The product of its (nonzero) digits is 666792, while the sum is 49.
The spelling of 29137779040 in words is "twenty-nine billion, one hundred thirty-seven million, seven hundred seventy-nine thousand, forty".
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