Base | Representation |
---|---|
bin | 10011111111001111010010… |
… | …001100100010100111101001 |
3 | 102112020222112000200200122221 |
4 | 103333033102030202213221 |
5 | 43010243324232300441 |
6 | 510544355152114041 |
7 | 24342121415203153 |
oct | 2377172214424751 |
9 | 375228460620587 |
10 | 87908622150121 |
11 | 26012923481283 |
12 | 9a39343835921 |
13 | 3a0899433c606 |
14 | 179cb2b34bad3 |
15 | a26a895a58d1 |
hex | 4ff3d23229e9 |
87908622150121 has 12 divisors (see below), whose sum is σ = 92378050813440. Its totient is φ = 83646264549320.
The previous prime is 87908622150113. The next prime is 87908622150127. The reversal of 87908622150121 is 12105122680978.
It is not a de Polignac number, because 87908622150121 - 23 = 87908622150113 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (87908622150127) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 434922181 + ... + 435124258.
It is an arithmetic number, because the mean of its divisors is an integer number (7698170901120).
Almost surely, 287908622150121 is an apocalyptic number.
It is an amenable number.
87908622150121 is a deficient number, since it is larger than the sum of its proper divisors (4469428663319).
87908622150121 is a wasteful number, since it uses less digits than its factorization.
87908622150121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 870046676 (or 870046653 counting only the distinct ones).
The product of its (nonzero) digits is 967680, while the sum is 52.
The spelling of 87908622150121 in words is "eighty-seven trillion, nine hundred eight billion, six hundred twenty-two million, one hundred fifty thousand, one hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •