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4668588189381 = 31556196063127
BaseRepresentation
bin100001111101111110110…
…0010100110011011000101
3121112022102221022210012210
41003323331202212123011
51102442232034030011
613532415251134033
7661202652564624
oct103737542463305
917468387283183
104668588189381
11153aa34360aa6
126349788a4319
1327b32754808c
14121d648d16bb
158169250e6a6
hex43efd8a66c5

4668588189381 has 4 divisors (see below), whose sum is σ = 6224784252512. Its totient is φ = 3112392126252.

The previous prime is 4668588189367. The next prime is 4668588189443. The reversal of 4668588189381 is 1839818858664.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2k-4668588189381 is a prime.

It is a super-2 number, since 2×46685881893812 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4668588189281) 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, 778098031561 + ... + 778098031566.

It is an arithmetic number, because the mean of its divisors is an integer number (1556196063128).

Almost surely, 24668588189381 is an apocalyptic number.

It is an amenable number.

4668588189381 is a deficient number, since it is larger than the sum of its proper divisors (1556196063131).

4668588189381 is a wasteful number, since it uses less digits than its factorization.

4668588189381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556196063130.

The product of its digits is 637009920, while the sum is 75.

The spelling of 4668588189381 in words is "four trillion, six hundred sixty-eight billion, five hundred eighty-eight million, one hundred eighty-nine thousand, three hundred eighty-one".

Divisors: 1 3 1556196063127 4668588189381