Search a number
-
+
133111311001 = 577718732099
BaseRepresentation
bin111101111111000001…
…1010110101010011001
3110201120202102012221121
41323332003112222121
54140102443423001
6141052301205241
712421423321624
oct1737603265231
9421522365847
10133111311001
11514a7957139
122196a860821
13c724660066
14662a7a8dbb
1536e10936a1
hex1efe0d6a99

133111311001 has 8 divisors (see below), whose sum is σ = 133364714400. Its totient is φ = 132857987328.

The previous prime is 133111310999. The next prime is 133111311007. The reversal of 133111311001 is 100113111331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133111311001 - 21 = 133111310999 is a prime.

It is a super-2 number, since 2×1331113110012 (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 (133111311007) 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, 4130850 + ... + 4162948.

It is an arithmetic number, because the mean of its divisors is an integer number (16670589300).

Almost surely, 2133111311001 is an apocalyptic number.

It is an amenable number.

133111311001 is a deficient number, since it is larger than the sum of its proper divisors (253403399).

133111311001 is an equidigital number, since it uses as much as digits as its factorization.

133111311001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39863.

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 133111311001 its reverse (100113111331), we get a palindrome (233224422332).

The spelling of 133111311001 in words is "one hundred thirty-three billion, one hundred eleven million, three hundred eleven thousand, one".

Divisors: 1 577 7187 32099 4146899 18521123 230695513 133111311001