Base | Representation |
---|---|
bin | 1001000001111111110… |
… | …1010111000011000101 |
3 | 112211111000111201120120 |
4 | 2100133331113003011 |
5 | 10020224140022131 |
6 | 155135514052153 |
7 | 14131612516161 |
oct | 2203775270305 |
9 | 484430451516 |
10 | 155155001541 |
11 | 5a889a54101 |
12 | 260a111a059 |
13 | 1182856b627 |
14 | 771c27dca1 |
15 | 4081452496 |
hex | 241ff570c5 |
155155001541 has 16 divisors (see below), whose sum is σ = 208278355968. Its totient is φ = 102735834800.
The previous prime is 155155001539. The next prime is 155155001563. The reversal of 155155001541 is 145100551551.
It is a cyclic number.
It is not a de Polignac number, because 155155001541 - 21 = 155155001539 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (155155001341) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161476 + ... + 579986.
It is an arithmetic number, because the mean of its divisors is an integer number (13017397248).
Almost surely, 2155155001541 is an apocalyptic number.
It is an amenable number.
155155001541 is a deficient number, since it is larger than the sum of its proper divisors (53123354427).
155155001541 is a wasteful number, since it uses less digits than its factorization.
155155001541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 419352.
The product of its (nonzero) digits is 12500, while the sum is 33.
The spelling of 155155001541 in words is "one hundred fifty-five billion, one hundred fifty-five million, one thousand, five hundred forty-one".
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