Base | Representation |
---|---|
bin | 1100000011101101110… |
… | …1101000000000100101 |
3 | 201210201001122210101120 |
4 | 3000323131220000211 |
5 | 11343223422131010 |
6 | 235055521044153 |
7 | 20652343250250 |
oct | 3007335500045 |
9 | 653631583346 |
10 | 207156052005 |
11 | 7a944210a71 |
12 | 34194186659 |
13 | 166c4a62886 |
14 | a052660097 |
15 | 55c6815e70 |
hex | 303b768025 |
207156052005 has 16 divisors (see below), whose sum is σ = 378799638144. Its totient is φ = 94699909440.
The previous prime is 207156052003. The next prime is 207156052039. The reversal of 207156052005 is 500250651702.
It is not a de Polignac number, because 207156052005 - 21 = 207156052003 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (207156052003) 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, 986457286 + ... + 986457495.
It is an arithmetic number, because the mean of its divisors is an integer number (23674977384).
Almost surely, 2207156052005 is an apocalyptic number.
It is an amenable number.
207156052005 is a deficient number, since it is larger than the sum of its proper divisors (171643586139).
207156052005 is a wasteful number, since it uses less digits than its factorization.
207156052005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1972914796.
The product of its (nonzero) digits is 21000, while the sum is 33.
The spelling of 207156052005 in words is "two hundred seven billion, one hundred fifty-six million, fifty-two thousand, five".
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