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648093197625 = 3531728248527
BaseRepresentation
bin10010110111001010101…
…11010110010100111001
32021221211201200121222220
421123211113112110321
541104243324311000
61213421354234253
764552232200116
oct11334527262471
92257751617886
10648093197625
1122a944794815
12a5731125989
13491656543b3
142352165990d
1511cd210e1a0
hex96e55d6539

648093197625 has 16 divisors (see below), whose sum is σ = 1078427081472. Its totient is φ = 345649705200.

The previous prime is 648093197621. The next prime is 648093197639. The reversal of 648093197625 is 526791390846.

It is not a de Polignac number, because 648093197625 - 22 = 648093197621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (648093197621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 864123889 + ... + 864124638.

It is an arithmetic number, because the mean of its divisors is an integer number (67401692592).

It is a 1-persistent number, because it is pandigital, but 2⋅648093197625 = 1296186395250 is not.

Almost surely, 2648093197625 is an apocalyptic number.

It is an amenable number.

648093197625 is a deficient number, since it is larger than the sum of its proper divisors (430333883847).

648093197625 is a wasteful number, since it uses less digits than its factorization.

648093197625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728248545 (or 1728248535 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 60.

The spelling of 648093197625 in words is "six hundred forty-eight billion, ninety-three million, one hundred ninety-seven thousand, six hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 375 1728248527 5184745581 8641242635 25923727905 43206213175 129618639525 216031065875 648093197625