Search a number
-
+
126400151271 = 3971621267961
BaseRepresentation
bin111010110111000001…
…0010011111011100111
3110002021001011222112010
41311232002103323213
54032331414320041
6134022321525303
712063212362362
oct1655602237347
9402231158463
10126400151271
1149673654539
12205b71a3833
13bbc5148524
1461913590d9
15344bcd1a16
hex1d6e093ee7

126400151271 has 16 divisors (see below), whose sum is σ = 170376670688. Its totient is φ = 83346278400.

The previous prime is 126400151263. The next prime is 126400151309. The reversal of 126400151271 is 172151004621.

It is not a de Polignac number, because 126400151271 - 23 = 126400151263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126400151231) 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, 337731 + ... + 605691.

It is an arithmetic number, because the mean of its divisors is an integer number (10648541918).

Almost surely, 2126400151271 is an apocalyptic number.

126400151271 is a deficient number, since it is larger than the sum of its proper divisors (43976519417).

126400151271 is a wasteful number, since it uses less digits than its factorization.

126400151271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269682.

The product of its (nonzero) digits is 3360, while the sum is 30.

Adding to 126400151271 its reverse (172151004621), we get a palindrome (298551155892).

The spelling of 126400151271 in words is "one hundred twenty-six billion, four hundred million, one hundred fifty-one thousand, two hundred seventy-one".

Divisors: 1 3 97 291 1621 4863 157237 267961 471711 803883 25992217 77976651 434364781 1303094343 42133383757 126400151271