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64130250563 = 611935447231
BaseRepresentation
bin111011101110011101…
…011111011101000011
320010112100101021101022
4323232131133131003
52022314321004223
645243325500055
74430131064351
oct735635373503
9203470337338
1064130250563
1125219944485
121051911162b
136080354432
1431652307d1
151a05155ac8
hexeee75f743

64130250563 has 8 divisors (see below), whose sum is σ = 65519306496. Its totient is φ = 62752089600.

The previous prime is 64130250553. The next prime is 64130250601. The reversal of 64130250563 is 36505203146.

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

It is a cyclic number.

It is not a de Polignac number, because 64130250563 - 232 = 59835283267 is a prime.

It is a super-3 number, since 3×641302505633 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (64130250553) 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, 2711843 + ... + 2735388.

It is an arithmetic number, because the mean of its divisors is an integer number (8189913312).

Almost surely, 264130250563 is an apocalyptic number.

64130250563 is a deficient number, since it is larger than the sum of its proper divisors (1389055933).

64130250563 is a wasteful number, since it uses less digits than its factorization.

64130250563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5447485.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 64130250563 in words is "sixty-four billion, one hundred thirty million, two hundred fifty thousand, five hundred sixty-three".

Divisors: 1 61 193 11773 5447231 332281091 1051315583 64130250563