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23120203130100 = 22325225689114589
BaseRepresentation
bin1010100000111000101110…
…11111101010010011110100
310000212021021201010110201100
411100130113133222103310
511012300134000130400
6121101135155530100
74604244121023306
oct520342737522364
9100767251113640
1023120203130100
11740424aa1954a
122714a252b9930
13cb92c210cc0b
1459d049455976
152a1622307100
hex1507177ea4f4

23120203130100 has 54 divisors (see below), whose sum is σ = 72468992258390. Its totient is φ = 6165387501120.

The previous prime is 23120203129981. The next prime is 23120203130111. The reversal of 23120203130100 is 103130202132.

23120203130100 is a `hidden beast` number, since 2 + 312 + 0 + 20 + 31 + 301 + 0 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 13684788324 + 23106518341776 = 116982^2 + 4806924^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12844556395 + ... + 12844558194.

Almost surely, 223120203130100 is an apocalyptic number.

23120203130100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23120203130100 is an abundant number, since it is smaller than the sum of its proper divisors (49348789128290).

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

23120203130100 is a wasteful number, since it uses less digits than its factorization.

23120203130100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25689114609 (or 25689114599 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23120203130100 its reverse (103130202132), we get a palindrome (23223333332232).

The spelling of 23120203130100 in words is "twenty-three trillion, one hundred twenty billion, two hundred three million, one hundred thirty thousand, one hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 225 300 450 900 25689114589 51378229178 77067343767 102756458356 128445572945 154134687534 231202031301 256891145890 308269375068 385336718835 462404062602 513782291780 642227864725 770673437670 924808125204 1156010156505 1284455729450 1541346875340 1926683594175 2312020313010 2568911458900 3853367188350 4624040626020 5780050782525 7706734376700 11560101565050 23120203130100