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3888545000061 = 31296181666687
BaseRepresentation
bin111000100101011111010…
…101111110101001111101
3111202202000101110001212110
4320211133111332221331
51002202220010000221
612134212314324233
7550636525066251
oct70453725765175
914682011401773
103888545000061
11126a139307577
12529761a29679
132228c4033c27
14d62c6c0c261
156b23b2a6776
hex3895f57ea7d

3888545000061 has 4 divisors (see below), whose sum is σ = 5184726666752. Its totient is φ = 2592363333372.

The previous prime is 3888544999993. The next prime is 3888545000113. The reversal of 3888545000061 is 1600005458883.

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 not a de Polignac number, because 3888545000061 - 229 = 3888008129149 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 (3888545000761) 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, 648090833341 + ... + 648090833346.

It is an arithmetic number, because the mean of its divisors is an integer number (1296181666688).

Almost surely, 23888545000061 is an apocalyptic number.

It is an amenable number.

3888545000061 is a deficient number, since it is larger than the sum of its proper divisors (1296181666691).

3888545000061 is a wasteful number, since it uses less digits than its factorization.

3888545000061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296181666690.

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 3888545000061 in words is "three trillion, eight hundred eighty-eight billion, five hundred forty-five million, sixty-one", and thus it is an aban number.

Divisors: 1 3 1296181666687 3888545000061