Search a number
-
+
23053135420 = 2257164665253
BaseRepresentation
bin10101011110000100…
…101110111000111100
32012111121112121200101
4111132010232320330
5334203100313140
614331312410444
71444164263230
oct253604567074
965447477611
1023053135420
11985a991937
124574546a24
1322350a4743
1411899a05c0
158edd0899a
hex55e12ee3c

23053135420 has 24 divisors (see below), whose sum is σ = 55327525344. Its totient is φ = 7903932096.

The previous prime is 23053135397. The next prime is 23053135429. The reversal of 23053135420 is 2453135032.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23053135429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82332487 + ... + 82332766.

It is an arithmetic number, because the mean of its divisors is an integer number (2305313556).

Almost surely, 223053135420 is an apocalyptic number.

23053135420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23053135420 is an abundant number, since it is smaller than the sum of its proper divisors (32274389924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23053135420 is a wasteful number, since it uses less digits than its factorization.

23053135420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164665269 (or 164665267 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The spelling of 23053135420 in words is "twenty-three billion, fifty-three million, one hundred thirty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 164665253 329330506 658661012 823326265 1152656771 1646652530 2305313542 3293305060 4610627084 5763283855 11526567710 23053135420