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6213199331641 = 192127210332
BaseRepresentation
bin101101001101001111110…
…0010100000000100111001
3210222222100112200202110111
41122122133202200010321
51303244113012103031
621114145424344321
71210613604634501
oct132323742400471
923888315622414
106213199331641
111a860040548a5
128441aba750a1
13360b96132983
14176a12cc6a01
15ab9460d51b1
hex5a69f8a0139

6213199331641 has 27 divisors (see below), whose sum is σ = 6615865207791. Its totient is φ = 5834187614304.

The previous prime is 6213199331627. The next prime is 6213199331681. The reversal of 6213199331641 is 1461339913126.

The square root of 6213199331641 is 2492629.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 5998556148025 + 214643183616 = 2449195^2 + 463296^2 .

It is not a de Polignac number, because 6213199331641 - 27 = 6213199331513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6213199331681) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6014713261 + ... + 6014714293.

It is an arithmetic number, because the mean of its divisors is an integer number (245032044733).

Almost surely, 26213199331641 is an apocalyptic number.

6213199331641 is the 2492629-th square number.

6213199331641 is the 1246315-th centered octagonal number.

It is an amenable number.

6213199331641 is a deficient number, since it is larger than the sum of its proper divisors (402665876150).

6213199331641 is an frugal number, since it uses more digits than its factorization.

6213199331641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2358 (or 1179 counting only the distinct ones).

The product of its digits is 629856, while the sum is 49.

Multiplying 6213199331641 by its sum of digits (49), we get a square (304446767250409 = 174484032).

The spelling of 6213199331641 in words is "six trillion, two hundred thirteen billion, one hundred ninety-nine million, three hundred thirty-one thousand, six hundred forty-one".

Divisors: 1 19 127 361 1033 2413 16129 19627 45847 131191 306451 372913 1067089 2492629 5822569 16661257 20274691 47359951 135520303 316563883 385219129 2574885757 6014713777 17211078481 48922829383 327010491139 6213199331641