Base | Representation |
---|---|
bin | 100000110011110000… |
… | …1111011001100101100 |
3 | 20201212020012010211000 |
4 | 1001213201323030230 |
5 | 2123243321020322 |
6 | 52211153400300 |
7 | 5042655500400 |
oct | 1014741731454 |
9 | 221766163730 |
10 | 70456423212 |
11 | 279758a563a |
12 | 117a3869090 |
13 | 684ab82b66 |
14 | 35a54a7100 |
15 | 1c7571c3ac |
hex | 106787b32c |
70456423212 has 72 divisors (see below), whose sum is σ = 212487641520. Its totient is φ = 20130405120.
The previous prime is 70456423183. The next prime is 70456423217. The reversal of 70456423212 is 21232465407.
70456423212 is a `hidden beast` number, since 7 + 0 + 4 + 5 + 642 + 3 + 2 + 1 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (70456423217) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6651589 + ... + 6662172.
Almost surely, 270456423212 is an apocalyptic number.
It is an amenable number.
70456423212 is an abundant number, since it is smaller than the sum of its proper divisors (142031218308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70456423212 is a wasteful number, since it uses less digits than its factorization.
70456423212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13313788 (or 13313773 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 36.
Adding to 70456423212 its reverse (21232465407), we get a palindrome (91688888619).
The spelling of 70456423212 in words is "seventy billion, four hundred fifty-six million, four hundred twenty-three thousand, two hundred twelve".
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