Search a number
-
+
13140124434 = 2322331739431
BaseRepresentation
bin11000011110011011…
…00110001100010010
31020220202110111001100
430033031212030102
5203402332440214
610011514245230
7643424133453
oct141715461422
936822414040
1013140124434
115633291a78
122668726816
131315423878
148c920312a
1551d8d0309
hex30f366312

13140124434 has 24 divisors (see below), whose sum is σ = 29708108352. Its totient is φ = 4189604760.

The previous prime is 13140124421. The next prime is 13140124451. The reversal of 13140124434 is 43442104131.

13140124434 is a `hidden beast` number, since 13 + 1 + 401 + 244 + 3 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 13140124398 and 13140124407.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15869302 + ... + 15870129.

It is an arithmetic number, because the mean of its divisors is an integer number (1237837848).

Almost surely, 213140124434 is an apocalyptic number.

13140124434 is an abundant number, since it is smaller than the sum of its proper divisors (16567983918).

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

13140124434 is a wasteful number, since it uses less digits than its factorization.

13140124434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31739462 (or 31739459 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 13140124434 its reverse (43442104131), we get a palindrome (56582228565).

The spelling of 13140124434 in words is "thirteen billion, one hundred forty million, one hundred twenty-four thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 18 23 46 69 138 207 414 31739431 63478862 95218293 190436586 285654879 571309758 730006913 1460013826 2190020739 4380041478 6570062217 13140124434