Base | Representation |
---|---|
bin | 100000001111010100111… |
… | …010011111111100000000 |
3 | 21211210112121222100022100 |
4 | 200033110322133330000 |
5 | 242244300421344100 |
6 | 4413435542510400 |
7 | 316030444341306 |
oct | 40172472377400 |
9 | 7753477870270 |
10 | 2215480262400 |
11 | 78464193a279 |
12 | 2b945ba35400 |
13 | 130bc3a63812 |
14 | 79330890276 |
15 | 3c96a4d1400 |
hex | 203d4e9ff00 |
2215480262400 has 648 divisors, whose sum is σ = 8457658425216. Its totient is φ = 551951769600.
The previous prime is 2215480262389. The next prime is 2215480262419. The reversal of 2215480262400 is 42620845122.
2215480262400 is a `hidden beast` number, since 2 + 2 + 154 + 80 + 26 + 2 + 400 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 56946955 + ... + 56985845.
Almost surely, 22215480262400 is an apocalyptic number.
2215480262400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2215480262400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4228829212608).
2215480262400 is an abundant number, since it is smaller than the sum of its proper divisors (6242178162816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2215480262400 is a wasteful number, since it uses less digits than its factorization.
2215480262400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38989 (or 38967 counting only the distinct ones).
The product of its (nonzero) digits is 61440, while the sum is 36.
The spelling of 2215480262400 in words is "two trillion, two hundred fifteen billion, four hundred eighty million, two hundred sixty-two thousand, four hundred".
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