Base | Representation |
---|---|
bin | 1100010010101000000… |
… | …0001001010100011000 |
3 | 202012000222011211000010 |
4 | 3010222000021110120 |
5 | 11424422432004434 |
6 | 241001002241520 |
7 | 21153460024554 |
oct | 3045200112430 |
9 | 665028154003 |
10 | 211158078744 |
11 | 81608259988 |
12 | 34b104b62a0 |
13 | 16bb1c13932 |
14 | a311d80864 |
15 | 575cd3b9e9 |
hex | 312a009518 |
211158078744 has 32 divisors (see below), whose sum is σ = 527917547520. Its totient is φ = 70383046176.
The previous prime is 211158078739. The next prime is 211158078749. The reversal of 211158078744 is 447870851112.
It is an interprime number because it is at equal distance from previous prime (211158078739) and next prime (211158078749).
It is a junction number, because it is equal to n+sod(n) for n = 211158078693 and 211158078702.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (211158078749) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434649 + ... + 781815.
It is an arithmetic number, because the mean of its divisors is an integer number (16497423360).
Almost surely, 2211158078744 is an apocalyptic number.
211158078744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
211158078744 is an abundant number, since it is smaller than the sum of its proper divisors (316759468776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211158078744 is a wasteful number, since it uses less digits than its factorization.
211158078744 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 372519 (or 372515 counting only the distinct ones).
The product of its (nonzero) digits is 501760, while the sum is 48.
The spelling of 211158078744 in words is "two hundred eleven billion, one hundred fifty-eight million, seventy-eight thousand, seven hundred forty-four".
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