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207089615041 = 107242532
BaseRepresentation
bin1100000011011110000…
…0001100000011000001
3201210112102122110000021
43000313200030003001
511343104420140131
6235045145053441
720650605453421
oct3006740140301
9653472573007
10207089615041
117a90a763991
1234175a87281
13166b4070a6a
14a0478c8481
1555c0a90e11
hex303780c0c1

207089615041 has 9 divisors (see below), whose sum is σ = 209092283491. Its totient is φ = 205105960552.

The previous prime is 207089615017. The next prime is 207089615077. The reversal of 207089615041 is 140516980702.

The square root of 207089615041 is 455071.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 21332063025 + 185757552016 = 146055^2 + 430996^2 .

It is not a de Polignac number, because 207089615041 - 211 = 207089612993 is a prime.

It is a super-2 number, since 2×2070896150412 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (207089618041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 48690471 + ... + 48694723.

Almost surely, 2207089615041 is an apocalyptic number.

207089615041 is the 455071-st square number.

207089615041 is the 227536-th centered octagonal number.

It is an amenable number.

207089615041 is a deficient number, since it is larger than the sum of its proper divisors (2002668450).

207089615041 is an frugal number, since it uses more digits than its factorization.

207089615041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8720 (or 4360 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 207089615041 in words is "two hundred seven billion, eighty-nine million, six hundred fifteen thousand, forty-one".

Divisors: 1 107 4253 11449 455071 18088009 48692597 1935416963 207089615041