Base | Representation |
---|---|
bin | 100000101011110010… |
… | …0100010100000111001 |
3 | 20201011120101000200111 |
4 | 1001113210202200321 |
5 | 2122221300014311 |
6 | 52124430504321 |
7 | 5033224606642 |
oct | 1012744424071 |
9 | 221146330614 |
10 | 70188673081 |
11 | 27848748a3a |
12 | 1172a0650a1 |
13 | 6807567127 |
14 | 357baca6c9 |
15 | 1c5be7dd21 |
hex | 1057922839 |
70188673081 has 8 divisors (see below), whose sum is σ = 71997840000. Its totient is φ = 68392664208.
The previous prime is 70188673073. The next prime is 70188673103. The reversal of 70188673081 is 18037688107.
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 70188673081 - 23 = 70188673073 is a prime.
It is a super-2 number, since 2×701886730812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70188673021) 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, 3278706 + ... + 3300043.
It is an arithmetic number, because the mean of its divisors is an integer number (8999730000).
Almost surely, 270188673081 is an apocalyptic number.
It is an amenable number.
70188673081 is a deficient number, since it is larger than the sum of its proper divisors (1809166919).
70188673081 is a wasteful number, since it uses less digits than its factorization.
70188673081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6579023.
The product of its (nonzero) digits is 451584, while the sum is 49.
The spelling of 70188673081 in words is "seventy billion, one hundred eighty-eight million, six hundred seventy-three thousand, eighty-one".
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