Search a number
-
+
23451343144500 = 2235315634228763
BaseRepresentation
bin1010101010100001100001…
…11110100100011000110100
310002000221000102111010121010
411111100300332210120310
511033211322321111000
6121513222011352220
74640206100505645
oct525206076443064
9102027012433533
1023451343144500
117521727914537
12276903b452670
1310115b555483b
145b10a01996cc
152aa05372bd50
hex155430fa4634

23451343144500 has 48 divisors (see below), whose sum is σ = 68290311241152. Its totient is φ = 6253691504800.

The previous prime is 23451343144487. The next prime is 23451343144501. The reversal of 23451343144500 is 544134315432.

It is a super-3 number, since 3×234513431445003 (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23451343144501) 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, 7817112882 + ... + 7817115881.

It is an arithmetic number, because the mean of its divisors is an integer number (1422714817524).

Almost surely, 223451343144500 is an apocalyptic number.

23451343144500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23451343144500 is an abundant number, since it is smaller than the sum of its proper divisors (44838968096652).

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

23451343144500 is a wasteful number, since it uses less digits than its factorization.

23451343144500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15634228785 (or 15634228773 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 23451343144500 its reverse (544134315432), we get a palindrome (23995477459932).

The spelling of 23451343144500 in words is "twenty-three trillion, four hundred fifty-one billion, three hundred forty-three million, one hundred forty-four thousand, five hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 125 150 250 300 375 500 750 1500 15634228763 31268457526 46902686289 62536915052 78171143815 93805372578 156342287630 187610745156 234513431445 312684575260 390855719075 469026862890 781711438150 938053725780 1172567157225 1563422876300 1954278595375 2345134314450 3908557190750 4690268628900 5862835786125 7817114381500 11725671572250 23451343144500