Base | Representation |
---|---|
bin | 1000110010100001010… |
… | …1101011001111001001 |
3 | 112102202111022120212021 |
4 | 2030220111223033021 |
5 | 4433222130013441 |
6 | 153211351244441 |
7 | 13623636100402 |
oct | 2145025531711 |
9 | 472674276767 |
10 | 151000626121 |
11 | 59047a0a394 |
12 | 25321979721 |
13 | 11315978617 |
14 | 74466229a9 |
15 | 3ddb8863d1 |
hex | 232856b3c9 |
151000626121 has 2 divisors, whose sum is σ = 151000626122. Its totient is φ = 151000626120.
The previous prime is 151000626017. The next prime is 151000626211. The reversal of 151000626121 is 121626000151.
It is a happy number.
Together with next prime (151000626211) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 148869418896 + 2131207225 = 385836^2 + 46165^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-151000626121 is a prime.
It is not a weakly prime, because it can be changed into another prime (151000626221) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75500313060 + 75500313061.
It is an arithmetic number, because the mean of its divisors is an integer number (75500313061).
Almost surely, 2151000626121 is an apocalyptic number.
It is an amenable number.
151000626121 is a deficient number, since it is larger than the sum of its proper divisors (1).
151000626121 is an equidigital number, since it uses as much as digits as its factorization.
151000626121 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 720, while the sum is 25.
Adding to 151000626121 its reverse (121626000151), we get a palindrome (272626626272).
The spelling of 151000626121 in words is "one hundred fifty-one billion, six hundred twenty-six thousand, one hundred twenty-one".
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