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253020748912898 = 2622920309901181
BaseRepresentation
bin111001100001111011111011…
…110111000001100100000010
31020011212112210000210120202212
4321201323323313001210002
5231130442443210203043
62254044043303342122
7104203101013120331
oct7141737367014402
91204775700716685
10253020748912898
117369055158450a
1224465148a51942
13ab249a60c33b5
14466a3aba77d18
151e3b9b4ce4018
hexe61efbdc1902

253020748912898 has 8 divisors (see below), whose sum is σ = 379592053091580. Its totient is φ = 126490064549040.

The previous prime is 253020748912891. The next prime is 253020748912901. The reversal of 253020748912898 is 898219847020352.

It can be written as a sum of positive squares in 2 ways, for example, as 251485139708089 + 1535609204809 = 15858283^2 + 1239197^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (253020748912891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10154938133 + ... + 10154963048.

Almost surely, 2253020748912898 is an apocalyptic number.

253020748912898 is a deficient number, since it is larger than the sum of its proper divisors (126571304178682).

253020748912898 is a wasteful number, since it uses less digits than its factorization.

253020748912898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20309907412.

The product of its (nonzero) digits is 139345920, while the sum is 68.

The spelling of 253020748912898 in words is "two hundred fifty-three trillion, twenty billion, seven hundred forty-eight million, nine hundred twelve thousand, eight hundred ninety-eight".

Divisors: 1 2 6229 12458 20309901181 40619802362 126510374456449 253020748912898