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664416245524613 = 4216871229687943
BaseRepresentation
bin1001011100010010000111011…
…0010011000010100010000101
310020010111120110112100220212012
42113010201312103002202011
51144041243432323241423
610313032335351104005
7256643326643055401
oct22704416623024205
93203446415326765
10664416245524613
1118278139033710a
12626283a0372005
132269724c3b171a
14ba0dcbc8ac101
1551c2ed0968078
hex25c48764c2885

664416245524613 has 8 divisors (see below), whose sum is σ = 666091362592896. Its totient is φ = 662741587846800.

The previous prime is 664416245524589. The next prime is 664416245524727. The reversal of 664416245524613 is 316425542614466.

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 664416245524613 - 232 = 664411950557317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664416245527613) 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, 111951281 + ... + 117736662.

It is an arithmetic number, because the mean of its divisors is an integer number (83261420324112).

Almost surely, 2664416245524613 is an apocalyptic number.

It is an amenable number.

664416245524613 is a deficient number, since it is larger than the sum of its proper divisors (1675117068283).

664416245524613 is a wasteful number, since it uses less digits than its factorization.

664416245524613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229695235.

The product of its digits is 99532800, while the sum is 59.

The spelling of 664416245524613 in words is "six hundred sixty-four trillion, four hundred sixteen billion, two hundred forty-five million, five hundred twenty-four thousand, six hundred thirteen".

Divisors: 1 421 6871 2892691 229687943 96698624003 1578185856353 664416245524613