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53902790064 = 2434237392447
BaseRepresentation
bin110010001100110110…
…110100110110110000
312011010120121110010000
4302030312310312300
51340343103240224
640432415510000
73615522104304
oct621466646660
9164116543100
1053902790064
11209507a0a92
12a543b28300
1351104b6866
142874bbbd04
1516073170c9
hexc8cdb4db0

53902790064 has 200 divisors, whose sum is σ = 163080276480. Its totient is φ = 17156126592.

The previous prime is 53902790057. The next prime is 53902790083. The reversal of 53902790064 is 46009720935.

It is a happy number.

53902790064 is a `hidden beast` number, since 539 + 0 + 27 + 90 + 0 + 6 + 4 = 666.

53902790064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22026889 + ... + 22029335.

Almost surely, 253902790064 is an apocalyptic number.

53902790064 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53902790064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81540138240).

53902790064 is an abundant number, since it is smaller than the sum of its proper divisors (109177486416).

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

53902790064 is a wasteful number, since it uses less digits than its factorization.

53902790064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3229 (or 3214 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 53902790064 in words is "fifty-three billion, nine hundred two million, seven hundred ninety thousand, sixty-four".