Base | Representation |
---|---|
bin | 11101101100001011110… |
… | …11100100101000111011 |
3 | 10121112012022011122222220 |
4 | 32312011323210220323 |
5 | 113203233441013301 |
6 | 2100352525415123 |
7 | 133463241632661 |
oct | 16660573445073 |
9 | 3545168148886 |
10 | 1020154235451 |
11 | 36371051a32a |
12 | 14586770a4a3 |
13 | 7527a8c6150 |
14 | 37538ddac31 |
15 | 1b80aceb936 |
hex | ed85ee4a3b |
1020154235451 has 16 divisors (see below), whose sum is σ = 1465317453600. Its totient is φ = 627581249280.
The previous prime is 1020154235449. The next prime is 1020154235489. The reversal of 1020154235451 is 1545324510201.
It is not a de Polignac number, because 1020154235451 - 21 = 1020154235449 is a prime.
It is a super-2 number, since 2×10201542354512 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1020154435451) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4170660 + ... + 4408481.
It is an arithmetic number, because the mean of its divisors is an integer number (91582340850).
Almost surely, 21020154235451 is an apocalyptic number.
1020154235451 is a deficient number, since it is larger than the sum of its proper divisors (445163218149).
1020154235451 is a wasteful number, since it uses less digits than its factorization.
1020154235451 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8582206.
The product of its (nonzero) digits is 24000, while the sum is 33.
Adding to 1020154235451 its reverse (1545324510201), we get a palindrome (2565478745652).
The spelling of 1020154235451 in words is "one trillion, twenty billion, one hundred fifty-four million, two hundred thirty-five thousand, four hundred fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •