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5215040142061 = 153113469252899
BaseRepresentation
bin100101111100011100010…
…0111010111101011101101
3200110112221010002012011011
41023320320213113223231
51140420400234021221
615031431213025221
71045526361544621
oct113707047275355
920415833065134
105215040142061
111730760228032
12702862485211
132baa12345889
141405a313b181
15909c62891e1
hex4be389d7aed

5215040142061 has 8 divisors (see below), whose sum is σ = 5218854516000. Its totient is φ = 5211226303920.

The previous prime is 5215040142047. The next prime is 5215040142071. The reversal of 5215040142061 is 1602410405125.

It is a happy number.

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 5215040142061 - 27 = 5215040141933 is a prime.

It is a super-3 number, since 3×52150401420613 (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5215040142041) 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, 20494590 + ... + 20747488.

It is an arithmetic number, because the mean of its divisors is an integer number (652356814500).

Almost surely, 25215040142061 is an apocalyptic number.

It is an amenable number.

5215040142061 is a deficient number, since it is larger than the sum of its proper divisors (3814373939).

5215040142061 is a wasteful number, since it uses less digits than its factorization.

5215040142061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267899.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 5215040142061 its reverse (1602410405125), we get a palindrome (6817450547186).

The spelling of 5215040142061 in words is "five trillion, two hundred fifteen billion, forty million, one hundred forty-two thousand, sixty-one".

Divisors: 1 1531 13469 252899 20621039 387188369 3406296631 5215040142061