Search a number
-
+
133023332831 = 831986780671
BaseRepresentation
bin111101111100011001…
…1101111100111011111
3110201100121212110120212
41323320303233213133
54134412433122311
6141035435403035
712416304446534
oct1737063574737
9421317773525
10133023332831
1151462226904
12219452b347b
13c70c36847c
14661cc26d8b
1536d84b5c8b
hex1ef8cef9df

133023332831 has 8 divisors (see below), whose sum is σ = 134634468864. Its totient is φ = 131412398040.

The previous prime is 133023332809. The next prime is 133023332863. The reversal of 133023332831 is 138233320331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-133023332831 is a prime.

It is a super-2 number, since 2×1330233328312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133023332131) 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, 1608626 + ... + 1689296.

It is an arithmetic number, because the mean of its divisors is an integer number (16829308608).

Almost surely, 2133023332831 is an apocalyptic number.

133023332831 is a deficient number, since it is larger than the sum of its proper divisors (1611136033).

133023332831 is an equidigital number, since it uses as much as digits as its factorization.

133023332831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100621.

The product of its (nonzero) digits is 23328, while the sum is 32.

The spelling of 133023332831 in words is "one hundred thirty-three billion, twenty-three million, three hundred thirty-two thousand, eight hundred thirty-one".

Divisors: 1 83 19867 80671 1648961 6695693 1602690757 133023332831