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53000205042 = 2349091799423
BaseRepresentation
bin110001010111000011…
…101111001011110010
312001210200020101020010
4301113003233023302
51332021023030132
640203054155350
73554252211141
oct612703571362
9161720211203
1053000205042
1120528263554
12a3317b2b56
134cc84c6695
1427cad8b758
1515a2e796cc
hexc570ef2f2

53000205042 has 16 divisors (see below), whose sum is σ = 106022062080. Its totient is φ = 17663126352.

The previous prime is 53000205029. The next prime is 53000205047. The reversal of 53000205042 is 24050200035.

It is not an unprimeable number, because it can be changed into a prime (53000205047) 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, 870258 + ... + 929165.

It is an arithmetic number, because the mean of its divisors is an integer number (6626378880).

Almost surely, 253000205042 is an apocalyptic number.

53000205042 is an abundant number, since it is smaller than the sum of its proper divisors (53021857038).

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

53000205042 is a wasteful number, since it uses less digits than its factorization.

53000205042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804337.

The product of its (nonzero) digits is 1200, while the sum is 21.

Adding to 53000205042 its reverse (24050200035), we get a palindrome (77050405077).

The spelling of 53000205042 in words is "fifty-three billion, two hundred five thousand, forty-two".

Divisors: 1 2 3 6 4909 9818 14727 29454 1799423 3598846 5398269 10796538 8833367507 17666735014 26500102521 53000205042