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23545213000 = 235331759523
BaseRepresentation
bin10101111011011001…
…110111000001001000
32020202220110202012221
4111323121313001020
5341210033304000
614452211343424
71462321002601
oct257331670110
966686422187
1023545213000
119a92728021
1246912b1b74
1322b30147ca
1411d5092da8
1592c10961a
hex57b677048

23545213000 has 64 divisors (see below), whose sum is σ = 56873157120. Its totient is φ = 9114264000.

The previous prime is 23545212991. The next prime is 23545213001. The reversal of 23545213000 is 31254532.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (23545213001) 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, 348762 + ... + 410761.

It is an arithmetic number, because the mean of its divisors is an integer number (888643080).

Almost surely, 223545213000 is an apocalyptic number.

23545213000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23545213000 is an abundant number, since it is smaller than the sum of its proper divisors (33327944120).

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

23545213000 is a wasteful number, since it uses less digits than its factorization.

23545213000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759575 (or 759561 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 23545213000 its reverse (31254532), we get a palindrome (23576467532).

The spelling of 23545213000 in words is "twenty-three billion, five hundred forty-five million, two hundred thirteen thousand".

Divisors: 1 2 4 5 8 10 20 25 31 40 50 62 100 124 125 155 200 248 250 310 500 620 775 1000 1240 1550 3100 3875 6200 7750 15500 31000 759523 1519046 3038092 3797615 6076184 7595230 15190460 18988075 23545213 30380920 37976150 47090426 75952300 94180852 94940375 117726065 151904600 188361704 189880750 235452130 379761500 470904260 588630325 759523000 941808520 1177260650 2354521300 2943151625 4709042600 5886303250 11772606500 23545213000