Search a number
-
+
53081031201 = 3117283220859
BaseRepresentation
bin110001011011111000…
…000100001000100001
312002000022022202212120
4301123320010020201
51332202220444301
640215102414453
73556253215002
oct613370041041
9162008282776
1053081031201
1120569949430
12a354891429
13500c185b03
1427d79cb1a9
1515aa0e2e36
hexc5be04221

53081031201 has 16 divisors (see below), whose sum is σ = 77219723520. Its totient is φ = 32165759120.

The previous prime is 53081031193. The next prime is 53081031233. The reversal of 53081031201 is 10213018035.

It is not a de Polignac number, because 53081031201 - 23 = 53081031193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53081031701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129910 + ... + 350768.

It is an arithmetic number, because the mean of its divisors is an integer number (4826232720).

Almost surely, 253081031201 is an apocalyptic number.

It is an amenable number.

53081031201 is a deficient number, since it is larger than the sum of its proper divisors (24138692319).

53081031201 is a wasteful number, since it uses less digits than its factorization.

53081031201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228156.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 53081031201 its reverse (10213018035), we get a palindrome (63294049236).

The spelling of 53081031201 in words is "fifty-three billion, eighty-one million, thirty-one thousand, two hundred one".

Divisors: 1 3 11 33 7283 21849 80113 220859 240339 662577 2429449 7288347 1608516097 4825548291 17693677067 53081031201