Base | Representation |
---|---|
bin | 100000100110001010… |
… | …1000000100110101011 |
3 | 20200200102110010002122 |
4 | 1001030111000212223 |
5 | 2121330003141101 |
6 | 52054012021455 |
7 | 5025444426104 |
oct | 1011425004653 |
9 | 220612403078 |
10 | 70000052651 |
11 | 27761228691 |
12 | 11696a6188b |
13 | 67a74655c9 |
14 | 3560a2b3ab |
15 | 1c4a62151b |
hex | 104c5409ab |
70000052651 has 4 divisors (see below), whose sum is σ = 72413847600. Its totient is φ = 67586257704.
The previous prime is 70000052641. The next prime is 70000052653. The reversal of 70000052651 is 15625000007.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 70000052651 - 218 = 69999790507 is a prime.
It is a super-2 number, since 2×700000526512 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 70000052651.
It is not an unprimeable number, because it can be changed into a prime (70000052653) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1206897431 + ... + 1206897488.
It is an arithmetic number, because the mean of its divisors is an integer number (18103461900).
Almost surely, 270000052651 is an apocalyptic number.
70000052651 is a deficient number, since it is larger than the sum of its proper divisors (2413794949).
70000052651 is a wasteful number, since it uses less digits than its factorization.
70000052651 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2413794948.
The product of its (nonzero) digits is 2100, while the sum is 26.
Adding to 70000052651 its reverse (15625000007), we get a palindrome (85625052658).
The spelling of 70000052651 in words is "seventy billion, fifty-two thousand, six hundred fifty-one".
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