Base | Representation |
---|---|
bin | 100001111111001000011101… |
… | …001101011001101101001100 |
3 | 201121020120101000022211100010 |
4 | 201333020131031121231030 |
5 | 124042440113110402240 |
6 | 1245523214141033220 |
7 | 43325064423446334 |
oct | 4177103515315514 |
9 | 647216330284303 |
10 | 149473941887820 |
11 | 436995a7466470 |
12 | 14921074855810 |
13 | 6553441c0bb64 |
14 | 28ca8124d60c4 |
15 | 1243260cb9280 |
hex | 87f21d359b4c |
149473941887820 has 96 divisors (see below), whose sum is σ = 456830165756160. Its totient is φ = 36215851887360.
The previous prime is 149473941887819. The next prime is 149473941887849. The reversal of 149473941887820 is 28788149374941.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62115982 + ... + 64477461.
It is an arithmetic number, because the mean of its divisors is an integer number (4758647559960).
Almost surely, 2149473941887820 is an apocalyptic number.
149473941887820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
149473941887820 is an abundant number, since it is smaller than the sum of its proper divisors (307356223868340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149473941887820 is a wasteful number, since it uses less digits than its factorization.
149473941887820 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 126595255 (or 126595253 counting only the distinct ones).
The product of its (nonzero) digits is 780337152, while the sum is 75.
The spelling of 149473941887820 in words is "one hundred forty-nine trillion, four hundred seventy-three billion, nine hundred forty-one million, eight hundred eighty-seven thousand, eight hundred twenty".
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