Search a number
-
+
5051351240 = 235139714137
BaseRepresentation
bin1001011010001010…
…11000000011001000
3111001001000020012222
410231011120003020
540321121214430
62153123553212
7236114530355
oct45505300310
914031006188
105051351240
1121623a0a51
12b8b82b808
1362669b040
1435cc2b62c
151e86eb9e5
hex12d1580c8

5051351240 has 32 divisors (see below), whose sum is σ = 12239813880. Its totient is φ = 1865114112.

The previous prime is 5051351231. The next prime is 5051351243. The reversal of 5051351240 is 421531505.

It can be written as a sum of positive squares in 4 ways, for example, as 4093696324 + 957654916 = 63982^2 + 30946^2 .

It is a super-2 number, since 2×50513512402 = 51032298699699075200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (5051351243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4856549 + ... + 4857588.

Almost surely, 25051351240 is an apocalyptic number.

It is an amenable number.

5051351240 is an abundant number, since it is smaller than the sum of its proper divisors (7188462640).

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

5051351240 is a wasteful number, since it uses less digits than its factorization.

5051351240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9714161 (or 9714157 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 5051351240 is about 71072.8586733361. The cubic root of 5051351240 is about 1715.8099787233.

Adding to 5051351240 its reverse (421531505), we get a palindrome (5472882745).

The spelling of 5051351240 in words is "five billion, fifty-one million, three hundred fifty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 9714137 19428274 38856548 48570685 77713096 97141370 126283781 194282740 252567562 388565480 505135124 631418905 1010270248 1262837810 2525675620 5051351240