Base | Representation |
---|---|
bin | 1110000000110000101010… |
… | …11011100001110010110110 |
3 | 11001002122022221221221212000 |
4 | 13000120111123201302312 |
5 | 13014312401424404400 |
6 | 145311014003440130 |
7 | 6330061233303366 |
oct | 700302533416266 |
9 | 131078287857760 |
10 | 30812454919350 |
11 | 98aa541583025 |
12 | 35577b0986046 |
13 | 14267a9880290 |
14 | 78748b90c9a6 |
15 | 38678174c600 |
hex | 1c06156e1cb6 |
30812454919350 has 384 divisors, whose sum is σ = 98065148428800. Its totient is φ = 7049836684800.
The previous prime is 30812454919343. The next prime is 30812454919361. The reversal of 30812454919350 is 5391945421803.
30812454919350 is a `hidden beast` number, since 3 + 0 + 8 + 1 + 2 + 4 + 549 + 1 + 93 + 5 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 16801105 + ... + 18544595.
It is an arithmetic number, because the mean of its divisors is an integer number (255377990700).
Almost surely, 230812454919350 is an apocalyptic number.
30812454919350 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 30812454919350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49032574214400).
30812454919350 is an abundant number, since it is smaller than the sum of its proper divisors (67252693509450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30812454919350 is a wasteful number, since it uses less digits than its factorization.
30812454919350 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1743597 (or 1743586 counting only the distinct ones).
The product of its (nonzero) digits is 4665600, while the sum is 54.
The spelling of 30812454919350 in words is "thirty trillion, eight hundred twelve billion, four hundred fifty-four million, nine hundred nineteen thousand, three hundred fifty".
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