Base | Representation |
---|---|
bin | 1001001001000001110010… |
… | …11010010110100000110111 |
3 | 2122011200020211120010021210 |
4 | 10210200321122112200313 |
5 | 10113320141444421201 |
6 | 110430243233412503 |
7 | 4143164453065065 |
oct | 444407132264067 |
9 | 78150224503253 |
10 | 20101410154551 |
11 | 644aa61a98120 |
12 | 230795570a133 |
13 | b2a729cb8c4b |
14 | 4d6cb06b5035 |
15 | 24cd3ccbe1d6 |
hex | 124839696837 |
20101410154551 has 48 divisors (see below), whose sum is σ = 30355805866752. Its totient is φ = 11731755772800.
The previous prime is 20101410154523. The next prime is 20101410154571. The reversal of 20101410154551 is 15545101410102.
It is a de Polignac number, because none of the positive numbers 2k-20101410154551 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20101410154571) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2012211 + ... + 6652203.
It is an arithmetic number, because the mean of its divisors is an integer number (632412622224).
Almost surely, 220101410154551 is an apocalyptic number.
20101410154551 is a deficient number, since it is larger than the sum of its proper divisors (10254395712201).
20101410154551 is a wasteful number, since it uses less digits than its factorization.
20101410154551 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4640164 (or 4640121 counting only the distinct ones).
The product of its (nonzero) digits is 4000, while the sum is 30.
Adding to 20101410154551 its reverse (15545101410102), we get a palindrome (35646511564653).
The spelling of 20101410154551 in words is "twenty trillion, one hundred one billion, four hundred ten million, one hundred fifty-four thousand, five hundred fifty-one".
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