Search a number
-
+
50145512540 = 22523915976569
BaseRepresentation
bin101110101100111001…
…111100110001011100
311210102201121222022012
4232230321330301130
51310144222400130
635011520210352
73423436552364
oct565471746134
9153381558265
1050145512540
111a2a291a852
1298757699b8
134961c5a216
1425d9bab9a4
151487539995
hexbace7cc5c

50145512540 has 48 divisors (see below), whose sum is σ = 105828508800. Its totient is φ = 19958733312.

The previous prime is 50145512531. The next prime is 50145512569. The reversal of 50145512540 is 4521554105.

It is a junction number, because it is equal to n+sod(n) for n = 50145512497 and 50145512506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7630376 + ... + 7636944.

It is an arithmetic number, because the mean of its divisors is an integer number (2204760600).

Almost surely, 250145512540 is an apocalyptic number.

It is an amenable number.

50145512540 is an abundant number, since it is smaller than the sum of its proper divisors (55682996260).

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

50145512540 is a wasteful number, since it uses less digits than its factorization.

50145512540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8414 (or 8412 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 50145512540 in words is "fifty billion, one hundred forty-five million, five hundred twelve thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 239 478 956 1195 1597 2390 3194 4780 6388 6569 7985 13138 15970 26276 31940 32845 65690 131380 381683 763366 1526732 1569991 1908415 3139982 3816830 6279964 7633660 7849955 10490693 15699910 20981386 31399820 41962772 52453465 104906930 209813860 2507275627 5014551254 10029102508 12536378135 25072756270 50145512540