Base | Representation |
---|---|
bin | 1001000001110100001… |
… | …1000001101110111110 |
3 | 112211100121121002100020 |
4 | 2100131003001232332 |
5 | 10020124133433304 |
6 | 155131011113010 |
7 | 14130450365565 |
oct | 2203503015676 |
9 | 484317532306 |
10 | 155106155454 |
11 | 5a864421338 |
12 | 260888a2766 |
13 | 1181b3c8513 |
14 | 77159a6bdc |
15 | 407c0045d9 |
hex | 241d0c1bbe |
155106155454 has 64 divisors (see below), whose sum is σ = 328275763200. Its totient is φ = 48720798432.
The previous prime is 155106155431. The next prime is 155106155459. The reversal of 155106155454 is 454551601551.
It is a super-2 number, since 2×1551061554542 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (155106155459) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50308597 + ... + 50311679.
It is an arithmetic number, because the mean of its divisors is an integer number (5129308800).
Almost surely, 2155106155454 is an apocalyptic number.
155106155454 is an abundant number, since it is smaller than the sum of its proper divisors (173169607746).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155106155454 is a wasteful number, since it uses less digits than its factorization.
155106155454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5309.
The product of its (nonzero) digits is 300000, while the sum is 42.
The spelling of 155106155454 in words is "one hundred fifty-five billion, one hundred six million, one hundred fifty-five thousand, four hundred fifty-four".
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