Base | Representation |
---|---|
bin | 11111010011010101000… |
… | …001011000011011011010 |
3 | 21121122020220021211121012 |
4 | 133103111001120123122 |
5 | 240220331213312320 |
6 | 4324103204413522 |
7 | 311260132361342 |
oct | 37232501303332 |
9 | 7548226254535 |
10 | 2151057557210 |
11 | 75a292a05361 |
12 | 2a8a809a72a2 |
13 | 127ac7c53b13 |
14 | 7617c891d22 |
15 | 3ae4985c4c5 |
hex | 1f4d50586da |
2151057557210 has 8 divisors (see below), whose sum is σ = 3871903602996. Its totient is φ = 860423022880.
The previous prime is 2151057557203. The next prime is 2151057557239. The reversal of 2151057557210 is 127557501512.
It can be written as a sum of positive squares in 2 ways, for example, as 1964905866001 + 186151691209 = 1401751^2 + 431453^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×21510575572102 (a number of 25 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107552877851 + ... + 107552877870.
Almost surely, 22151057557210 is an apocalyptic number.
2151057557210 is a deficient number, since it is larger than the sum of its proper divisors (1720846045786).
2151057557210 is a wasteful number, since it uses less digits than its factorization.
2151057557210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 215105755728.
The product of its (nonzero) digits is 122500, while the sum is 41.
The spelling of 2151057557210 in words is "two trillion, one hundred fifty-one billion, fifty-seven million, five hundred fifty-seven thousand, two hundred ten".
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