Search a number
-
+
234364520745 = 3454909117881
BaseRepresentation
bin1101101001000100110…
…1101100100100101001
3211101221021012012210000
43122101031230210221
512314434304130440
6255355433013213
722634525362065
oct3322115544451
9741837165700
10234364520745
1190436731273
1239508254209
131913c9a4314
14b4b404aaa5
15616a329730
hex369136c929

234364520745 has 40 divisors (see below), whose sum is σ = 420209250120. Its totient is φ = 124967888640.

The previous prime is 234364520723. The next prime is 234364520749. The reversal of 234364520745 is 547025463432.

234364520745 is a `hidden beast` number, since 2 + 3 + 436 + 4 + 5 + 207 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 154522106649 + 79842414096 = 393093^2 + 282564^2 .

It is not a de Polignac number, because 234364520745 - 212 = 234364516649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 234364520745.

It is not an unprimeable number, because it can be changed into a prime (234364520749) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1929205 + ... + 2047085.

It is an arithmetic number, because the mean of its divisors is an integer number (10505231253).

Almost surely, 2234364520745 is an apocalyptic number.

It is an amenable number.

234364520745 is a deficient number, since it is larger than the sum of its proper divisors (185844729375).

234364520745 is a wasteful number, since it uses less digits than its factorization.

234364520745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122807 (or 122798 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 45.

The spelling of 234364520745 in words is "two hundred thirty-four billion, three hundred sixty-four million, five hundred twenty thousand, seven hundred forty-five".

Divisors: 1 3 5 9 15 27 45 81 135 405 4909 14727 24545 44181 73635 117881 132543 220905 353643 397629 589405 662715 1060929 1768215 1988145 3182787 5304645 9548361 15913935 47741805 578677829 1736033487 2893389145 5208100461 8680167435 15624301383 26040502305 46872904149 78121506915 234364520745