Base | Representation |
---|---|
bin | 10100101001011111010100… |
… | …001000001111100011111111 |
3 | 102220112112210002001221010022 |
4 | 110221133110020033203333 |
5 | 43400331040413020030 |
6 | 521050251520202355 |
7 | 25061645213546342 |
oct | 2451372410174377 |
9 | 386475702057108 |
10 | 90812052470015 |
11 | 26a321a2176a78 |
12 | a227b987693bb |
13 | 3b89702c40366 |
14 | 185d480a04459 |
15 | a7736ad05de5 |
hex | 5297d420f8ff |
90812052470015 has 8 divisors (see below), whose sum is σ = 110097911036400. Its totient is φ = 71900676594432.
The previous prime is 90812052469997. The next prime is 90812052470099. The reversal of 90812052470015 is 51007425021809.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 90812052470015 - 26 = 90812052469951 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93620672165 + ... + 93620673134.
It is an arithmetic number, because the mean of its divisors is an integer number (13762238879550).
Almost surely, 290812052470015 is an apocalyptic number.
90812052470015 is a deficient number, since it is larger than the sum of its proper divisors (19285858566385).
90812052470015 is a wasteful number, since it uses less digits than its factorization.
90812052470015 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 187241345401.
The product of its (nonzero) digits is 201600, while the sum is 44.
The spelling of 90812052470015 in words is "ninety trillion, eight hundred twelve billion, fifty-two million, four hundred seventy thousand, fifteen".
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