Base | Representation |
---|---|
bin | 1100100001000101110… |
… | …0111000110111000101 |
3 | 202120001120212021221001 |
4 | 3020101130320313011 |
5 | 12010401013303110 |
6 | 242442154053301 |
7 | 21351630422314 |
oct | 3102134706705 |
9 | 676046767831 |
10 | 215041150405 |
11 | 8322013a114 |
12 | 35814a1a231 |
13 | 17380545583 |
14 | a59d97827b |
15 | 58d8bb663a |
hex | 3211738dc5 |
215041150405 has 8 divisors (see below), whose sum is σ = 269268918912. Its totient is φ = 164553228048.
The previous prime is 215041150397. The next prime is 215041150409. The reversal of 215041150405 is 504051140512.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 215041150405 - 23 = 215041150397 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (215041150409) 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, 934961409 + ... + 934961638.
It is an arithmetic number, because the mean of its divisors is an integer number (33658614864).
Almost surely, 2215041150405 is an apocalyptic number.
It is an amenable number.
215041150405 is a deficient number, since it is larger than the sum of its proper divisors (54227768507).
215041150405 is a wasteful number, since it uses less digits than its factorization.
215041150405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1869923075.
The product of its (nonzero) digits is 4000, while the sum is 28.
Adding to 215041150405 its reverse (504051140512), we get a palindrome (719092290917).
The spelling of 215041150405 in words is "two hundred fifteen billion, forty-one million, one hundred fifty thousand, four hundred five".
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