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64500264442 = 2223144619427
BaseRepresentation
bin111100000100100000…
…111110110111111010
320011111010121221000001
4330010200332313322
52024044031430232
645344144303214
74442243126125
oct740440766772
9204433557001
1064500264442
1125399799379
1210601011b0a
13610bbc7163
14319c42b3bc
151a278946e7
hexf0483edfa

64500264442 has 8 divisors (see below), whose sum is σ = 97184255616. Its totient is φ = 32105512572.

The previous prime is 64500264431. The next prime is 64500264443. The reversal of 64500264442 is 24446200546.

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

It is a super-2 number, since 2×645002644422 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64500264443) 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, 72309268 + ... + 72310159.

It is an arithmetic number, because the mean of its divisors is an integer number (12148031952).

Almost surely, 264500264442 is an apocalyptic number.

64500264442 is a deficient number, since it is larger than the sum of its proper divisors (32683991174).

64500264442 is a wasteful number, since it uses less digits than its factorization.

64500264442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144619652.

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 64500264442 its reverse (24446200546), we get a palindrome (88946464988).

The spelling of 64500264442 in words is "sixty-four billion, five hundred million, two hundred sixty-four thousand, four hundred forty-two".

Divisors: 1 2 223 446 144619427 289238854 32250132221 64500264442