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20450051144592 = 2431769779359153
BaseRepresentation
bin1001010011001011001100…
…00010001011101110010000
32200102000011020002110110120
410221211212002023232100
510140023201043111332
6111254342424030240
74210316221441146
oct451454602135620
980360136073416
1020450051144592
1165748aa815143
122363434902380
13b5457c15b164
14509b05865596
15256e4587832c
hex12996608bb90

20450051144592 has 80 divisors (see below), whose sum is σ = 55937861979840. Its totient is φ = 6415592513536.

The previous prime is 20450051144543. The next prime is 20450051144639. The reversal of 20450051144592 is 29544115005402.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 56760088 + ... + 57119240.

It is an arithmetic number, because the mean of its divisors is an integer number (699223274748).

Almost surely, 220450051144592 is an apocalyptic number.

It is an amenable number.

20450051144592 is an abundant number, since it is smaller than the sum of its proper divisors (35487810835248).

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

20450051144592 is a wasteful number, since it uses less digits than its factorization.

20450051144592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428960 (or 428954 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

Adding to 20450051144592 its reverse (29544115005402), we get a palindrome (49994166149994).

The spelling of 20450051144592 in words is "twenty trillion, four hundred fifty billion, fifty-one million, one hundred forty-four thousand, five hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 68 102 136 204 272 408 816 69779 139558 209337 279116 359153 418674 558232 718306 837348 1077459 1116464 1186243 1436612 1674696 2154918 2372486 2873224 3349392 3558729 4309836 4744972 5746448 6105601 7117458 8619672 9489944 12211202 14234916 17239344 18316803 18979888 24422404 28469832 36633606 48844808 56939664 73267212 97689616 146534424 293068848 25061337187 50122674374 75184011561 100245348748 150368023122 200490697496 300736046244 400981394992 426042732179 601472092488 852085464358 1202944184976 1278128196537 1704170928716 2556256393074 3408341857432 5112512786148 6816683714864 10225025572296 20450051144592