Base | Representation |
---|---|
bin | 11011001011101111… |
… | …011011111111001001 |
3 | 2210100011101202000111 |
4 | 123023233123333021 |
5 | 434234112422100 |
6 | 21224144234321 |
7 | 2052210011542 |
oct | 331357337711 |
9 | 83304352014 |
10 | 29188014025 |
11 | 11418966a45 |
12 | 57a700b9a1 |
13 | 29a20a6721 |
14 | 15ac67d4c9 |
15 | b5c6d56ba |
hex | 6cbbdbfc9 |
29188014025 has 27 divisors (see below), whose sum is σ = 37030524519. Its totient is φ = 22822158480.
The previous prime is 29188014007. The next prime is 29188014029. The reversal of 29188014025 is 52041088192.
The square root of 29188014025 is 170845.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 10507685049 + 18680328976 = 102507^2 + 136676^2 .
It is a de Polignac number, because none of the positive numbers 2k-29188014025 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (29188014029) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 40148212 + ... + 40148938.
Almost surely, 229188014025 is an apocalyptic number.
29188014025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
29188014025 is the 170845-th square number.
29188014025 is the 85423-rd centered octagonal number.
It is an amenable number.
29188014025 is a deficient number, since it is larger than the sum of its proper divisors (7842510494).
29188014025 is an frugal number, since it uses more digits than its factorization.
29188014025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1558 (or 779 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 40.
The spelling of 29188014025 in words is "twenty-nine billion, one hundred eighty-eight million, fourteen thousand, twenty-five".
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