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53081031202 = 226540515601
BaseRepresentation
bin110001011011111000…
…000100001000100010
312002000022022202212121
4301123320010020202
51332202220444302
640215102414454
73556253215003
oct613370041042
9162008282777
1053081031202
1120569949431
12a35489142a
13500c185b04
1427d79cb1aa
1515aa0e2e37
hexc5be04222

53081031202 has 4 divisors (see below), whose sum is σ = 79621546806. Its totient is φ = 26540515600.

The previous prime is 53081031193. The next prime is 53081031233. The reversal of 53081031202 is 20213018035.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 29687634601 + 23393396601 = 172301^2 + 152949^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13270257799 + ... + 13270257802.

Almost surely, 253081031202 is an apocalyptic number.

53081031202 is a deficient number, since it is larger than the sum of its proper divisors (26540515604).

53081031202 is a wasteful number, since it uses less digits than its factorization.

53081031202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26540515603.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 53081031202 its reverse (20213018035), we get a palindrome (73294049237).

The spelling of 53081031202 in words is "fifty-three billion, eighty-one million, thirty-one thousand, two hundred two".

Divisors: 1 2 26540515601 53081031202