Search a number
-
+
52919983940 = 2253011387869
BaseRepresentation
bin110001010010010001…
…101101111101000100
312001121002021201120012
4301102101231331010
51331340003441230
640151110525352
73552256304315
oct612221557504
9161532251505
1052919983940
1120496a5121a
12a30a966858
134cb49b9785
1427c046860c
15159add0395
hexc5246df44

52919983940 has 24 divisors (see below), whose sum is σ = 111136921560. Its totient is φ = 21167049728.

The previous prime is 52919983901. The next prime is 52919983973. The reversal of 52919983940 is 4938991925.

It can be written as a sum of positive squares in 4 ways, for example, as 4372912384 + 48547071556 = 66128^2 + 220334^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 52919983940.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558326 + ... + 646194.

It is an arithmetic number, because the mean of its divisors is an integer number (4630705065).

Almost surely, 252919983940 is an apocalyptic number.

It is an amenable number.

52919983940 is an abundant number, since it is smaller than the sum of its proper divisors (58216937620).

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

52919983940 is a wasteful number, since it uses less digits than its factorization.

52919983940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117991 (or 117989 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 59.

The spelling of 52919983940 in words is "fifty-two billion, nine hundred nineteen million, nine hundred eighty-three thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 30113 60226 87869 120452 150565 175738 301130 351476 439345 602260 878690 1757380 2645999197 5291998394 10583996788 13229995985 26459991970 52919983940