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641046021482142 = 232371063905485949
BaseRepresentation
bin1001000111000001110010100…
…0011001010010011010011110
310010001202101211102210010122100
42101300130220121102122132
51133010344222444412032
610151220250551225530
7252012022003243233
oct22160345031223236
93101671742703570
10641046021482142
11176291100100671
125ba9301b6782a6
13216904c3aa0153
14b442b15d5d78a
154e1a128ab597c
hex247072865269e

641046021482142 has 48 divisors (see below), whose sum is σ = 1427813709285600. Its totient is φ = 207711232583616.

The previous prime is 641046021482137. The next prime is 641046021482147. The reversal of 641046021482142 is 241284120640146.

641046021482142 is a `hidden beast` number, since 6 + 4 + 1 + 0 + 4 + 6 + 0 + 21 + 482 + 142 = 666.

It is an interprime number because it is at equal distance from previous prime (641046021482137) and next prime (641046021482147).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641046021482147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 452035017 + ... + 453450932.

It is an arithmetic number, because the mean of its divisors is an integer number (29746118943450).

Almost surely, 2641046021482142 is an apocalyptic number.

641046021482142 is an abundant number, since it is smaller than the sum of its proper divisors (786767687803458).

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

641046021482142 is a wasteful number, since it uses less digits than its factorization.

641046021482142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905487057 (or 905487054 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 45.

The spelling of 641046021482142 in words is "six hundred forty-one trillion, forty-six billion, twenty-one million, four hundred eighty-two thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 37 74 111 222 333 666 1063 2126 3189 6378 9567 19134 39331 78662 117993 235986 353979 707958 905485949 1810971898 2716457847 5432915694 8149373541 16298747082 33502980113 67005960226 100508940339 201017880678 301526821017 603053642034 962531563787 1925063127574 2887594691361 5775189382722 8662784074083 17325568148166 35613667860119 71227335720238 106841003580357 213682007160714 320523010741071 641046021482142