Search a number
-
+
10323123500 = 2253411034889
BaseRepresentation
bin10011001110100111…
…00101110100101100
3222122102210000020102
421213103211310230
5132120204423000
64424204210232
7513550046654
oct114723456454
928572700212
1010323123500
114418152528
122001239978
13c86923301
146dd035364
154064383d5
hex2674e5d2c

10323123500 has 96 divisors (see below), whose sum is σ = 23324595840. Its totient is φ = 3988608000.

The previous prime is 10323123487. The next prime is 10323123509. The reversal of 10323123500 is 532132301.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (10323123509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2109056 + ... + 2113944.

It is an arithmetic number, because the mean of its divisors is an integer number (242964540).

Almost surely, 210323123500 is an apocalyptic number.

10323123500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10323123500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11662297920).

10323123500 is an abundant number, since it is smaller than the sum of its proper divisors (13001472340).

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

10323123500 is a wasteful number, since it uses less digits than its factorization.

10323123500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5052 (or 5040 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

Adding to 10323123500 its reverse (532132301), we get a palindrome (10855255801).

The spelling of 10323123500 in words is "ten billion, three hundred twenty-three million, one hundred twenty-three thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 41 50 82 100 103 125 164 205 206 250 410 412 500 515 820 1025 1030 2050 2060 2575 4100 4223 4889 5125 5150 8446 9778 10250 10300 12875 16892 19556 20500 21115 24445 25750 42230 48890 51500 84460 97780 105575 122225 200449 211150 244450 400898 422300 488900 503567 527875 611125 801796 1002245 1007134 1055750 1222250 2004490 2014268 2111500 2444500 2517835 4008980 5011225 5035670 10022450 10071340 12589175 20044900 20646247 25056125 25178350 41292494 50112250 50356700 62945875 82584988 100224500 103231235 125891750 206462470 251783500 412924940 516156175 1032312350 2064624700 2580780875 5161561750 10323123500