Base | Representation |
---|---|
bin | 100000110110011010… |
… | …0100011010100001000 |
3 | 20202002102020001222022 |
4 | 1001230310203110020 |
5 | 2123434032122300 |
6 | 52224044144012 |
7 | 5045114145200 |
oct | 1015464432410 |
9 | 222072201868 |
10 | 70545192200 |
11 | 27a10a1603a |
12 | 11809538008 |
13 | 68633936a2 |
14 | 35b31b3400 |
15 | 1c7d404285 |
hex | 106cd23508 |
70545192200 has 108 divisors (see below), whose sum is σ = 190867090365. Its totient is φ = 24177908160.
The previous prime is 70545192199. The next prime is 70545192227. The reversal of 70545192200 is 229154507.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 69134288356 + 1410903844 = 262934^2 + 37562^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=187810.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 26292059 + ... + 26294741.
Almost surely, 270545192200 is an apocalyptic number.
70545192200 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70545192200
70545192200 is an abundant number, since it is smaller than the sum of its proper divisors (120321898165).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70545192200 is an equidigital number, since it uses as much as digits as its factorization.
70545192200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5396 (or 2697 counting only the distinct ones).
The product of its (nonzero) digits is 25200, while the sum is 35.
The spelling of 70545192200 in words is "seventy billion, five hundred forty-five million, one hundred ninety-two thousand, two hundred".
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