Base | Representation |
---|---|
bin | 1000101010100110110… |
… | …01101101000000000000 |
3 | 1001110112211220022010120 |
4 | 10111103121231000000 |
5 | 14334244002142042 |
6 | 344441350300240 |
7 | 30340400105202 |
oct | 4252331550000 |
9 | 1043484808116 |
10 | 297751990272 |
11 | 105304266320 |
12 | 49858657680 |
13 | 2210218aa39 |
14 | 105a8768772 |
15 | 7b2a15bdec |
hex | 455366d000 |
297751990272 has 208 divisors, whose sum is σ = 894032578560. Its totient is φ = 87316070400.
The previous prime is 297751990247. The next prime is 297751990273. The reversal of 297751990272 is 272099157792.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (297751990273) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4154679 + ... + 4225737.
Almost surely, 2297751990272 is an apocalyptic number.
297751990272 is a gapful number since it is divisible by the number (22) 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 297751990272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447016289280).
297751990272 is an abundant number, since it is smaller than the sum of its proper divisors (596280588288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
297751990272 is a wasteful number, since it uses less digits than its factorization.
297751990272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71128 (or 71106 counting only the distinct ones).
The product of its (nonzero) digits is 10001880, while the sum is 60.
The spelling of 297751990272 in words is "two hundred ninety-seven billion, seven hundred fifty-one million, nine hundred ninety thousand, two hundred seventy-two".
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