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201026458331 = 23291931561601
BaseRepresentation
bin1011101100111000011…
…1000101001011011011
3201012212212202011121122
42323032013011023123
511243200233131311
6232203354355455
720344423462616
oct2731607051333
9635785664548
10201026458331
1178289216576
1232b6342bb8b
1315c58b9127a
149a3055917d
1553686300db
hex2ece1c52db

201026458331 has 16 divisors (see below), whose sum is σ = 218124567360. Its totient is φ = 184693555200.

The previous prime is 201026458319. The next prime is 201026458357. The reversal of 201026458331 is 133854620102.

It is a cyclic number.

It is not a de Polignac number, because 201026458331 - 214 = 201026441947 is a prime.

It is a super-2 number, since 2×2010264583312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201026458291 and 201026458300.

It is not an unprimeable number, because it can be changed into a prime (201026458231) 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, 652070 + ... + 909531.

It is an arithmetic number, because the mean of its divisors is an integer number (13632785460).

Almost surely, 2201026458331 is an apocalyptic number.

201026458331 is a deficient number, since it is larger than the sum of its proper divisors (17098109029).

201026458331 is a wasteful number, since it uses less digits than its factorization.

201026458331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561846.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 201026458331 in words is "two hundred one billion, twenty-six million, four hundred fifty-eight thousand, three hundred thirty-one".

Divisors: 1 23 29 193 667 4439 5597 128731 1561601 35916823 45286429 301388993 1041587867 6931946839 8740280797 201026458331