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641206030692 = 223110034856297
BaseRepresentation
bin10010101010010101101…
…10111001000101100100
32021022001202021022002010
421111022312321011210
541001142220440232
61210322130314220
764216453222203
oct11251266710544
92238052238063
10641206030692
11227a300a7317
12a432a728970
13486088361a6
142306aab123a
1511a2c6820cc
hex954adb9164

641206030692 has 24 divisors (see below), whose sum is σ = 1496283689376. Its totient is φ = 213715874368.

The previous prime is 641206030631. The next prime is 641206030697. The reversal of 641206030692 is 296030602146.

It is a super-2 number, since 2×6412060306922 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 641206030692.

It is not an unprimeable number, because it can be changed into a prime (641206030697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2296113 + ... + 2560184.

It is an arithmetic number, because the mean of its divisors is an integer number (62345153724).

Almost surely, 2641206030692 is an apocalyptic number.

It is an amenable number.

641206030692 is an abundant number, since it is smaller than the sum of its proper divisors (855077658684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

641206030692 is a wasteful number, since it uses less digits than its factorization.

641206030692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4867307 (or 4867305 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The spelling of 641206030692 in words is "six hundred forty-one billion, two hundred six million, thirty thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 12 11003 22006 33009 44012 66018 132036 4856297 9712594 14568891 19425188 29137782 58275564 53433835891 106867671782 160301507673 213735343564 320603015346 641206030692