Search a number
-
+
152442433354531 = 397383985978223
BaseRepresentation
bin100010101010010101000101…
…000101101011101100100011
3201222202100120021201202202211
4202222111011011223230203
5124440104100414321111
61300115030451222551
744052413415546355
oct4252250505535443
9658670507652684
10152442433354531
114463352250a791
12151204465a7a57
13670a34b987608
14299037889d0d5
15129559e251521
hex8aa54516bb23

152442433354531 has 4 divisors (see below), whose sum is σ = 152826419333152. Its totient is φ = 152058447375912.

The previous prime is 152442433354529. The next prime is 152442433354579. The reversal of 152442433354531 is 135453334244251.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 152442433354531 - 21 = 152442433354529 is a prime.

It is a super-2 number, since 2×1524424333545312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152442433354501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191992988715 + ... + 191992989508.

It is an arithmetic number, because the mean of its divisors is an integer number (38206604833288).

Almost surely, 2152442433354531 is an apocalyptic number.

152442433354531 is a deficient number, since it is larger than the sum of its proper divisors (383985978621).

152442433354531 is an equidigital number, since it uses as much as digits as its factorization.

152442433354531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383985978620.

The product of its digits is 10368000, while the sum is 49.

Adding to 152442433354531 its reverse (135453334244251), we get a palindrome (287895767598782).

The spelling of 152442433354531 in words is "one hundred fifty-two trillion, four hundred forty-two billion, four hundred thirty-three million, three hundred fifty-four thousand, five hundred thirty-one".

Divisors: 1 397 383985978223 152442433354531