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1668418500101 = 23631114960277
BaseRepresentation
bin11000010001110101011…
…111011111011000000101
312220111110221202101211112
4120101311133133120011
5204313410114000401
63314243314414405
7231352652154563
oct30216537373005
95814427671745
101668418500101
11593632825251
1222b425b91405
13c143c814422
145aa75266a33
152d5ece4c3bb
hex184757df605

1668418500101 has 8 divisors (see below), whose sum is σ = 1743717496704. Its totient is φ = 1593349425360.

The previous prime is 1668418500083. The next prime is 1668418500103. The reversal of 1668418500101 is 1010058148661.

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 1668418500101 - 226 = 1668351391237 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 (1668418500103) 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, 57465626 + ... + 57494651.

It is an arithmetic number, because the mean of its divisors is an integer number (217964687088).

Almost surely, 21668418500101 is an apocalyptic number.

It is an amenable number.

1668418500101 is a deficient number, since it is larger than the sum of its proper divisors (75298996603).

1668418500101 is a wasteful number, since it uses less digits than its factorization.

1668418500101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114960931.

The product of its (nonzero) digits is 46080, while the sum is 41.

The spelling of 1668418500101 in words is "one trillion, six hundred sixty-eight billion, four hundred eighteen million, five hundred thousand, one hundred one".

Divisors: 1 23 631 14513 114960277 2644086371 72539934787 1668418500101