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5012201661 = 34140749607
BaseRepresentation
bin1001010101100000…
…00010000010111101
3110221022100020002120
410222300002002331
540231110423121
62145204513153
7235131003555
oct45260020275
913838306076
105012201661
112142291325
12b7a6ab7b9
1361b5415cc
1435795a165
151e5066bc6
hex12ac020bd

5012201661 has 8 divisors (see below), whose sum is σ = 6845934144. Its totient is φ = 3259968480.

The previous prime is 5012201651. The next prime is 5012201669. The reversal of 5012201661 is 1661022105.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5012201661 - 25 = 5012201629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5012201669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20374681 + ... + 20374926.

It is an arithmetic number, because the mean of its divisors is an integer number (855741768).

Almost surely, 25012201661 is an apocalyptic number.

It is an amenable number.

5012201661 is a deficient number, since it is larger than the sum of its proper divisors (1833732483).

5012201661 is a wasteful number, since it uses less digits than its factorization.

5012201661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40749651.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 5012201661 is about 70796.9043179149. The cubic root of 5012201661 is about 1711.3657865200.

Adding to 5012201661 its reverse (1661022105), we get a palindrome (6673223766).

The spelling of 5012201661 in words is "five billion, twelve million, two hundred one thousand, six hundred sixty-one".

Divisors: 1 3 41 123 40749607 122248821 1670733887 5012201661