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621431483030401 = 107121341531152887
BaseRepresentation
bin1000110101001100000100101…
…0110011000101101110000001
310000111022021021112020010110211
42031103001022303011232001
51122423013134123433101
610041401403203554121
7244615641314300551
oct21523011263055601
93014267245203424
10621431483030401
11170009680537a5a
125984570238b941
13208999780bc8a4
14ad656310a7161
154bc9cd40d3c51
hex235304acc5b81

621431483030401 has 16 divisors (see below), whose sum is σ = 627908053348224. Its totient is φ = 614967543437184.

The previous prime is 621431483030339. The next prime is 621431483030417. The reversal of 621431483030401 is 104030384134126.

It is a cyclic number.

It is not a de Polignac number, because 621431483030401 - 231 = 621429335546753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (621431483037401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538445580 + ... + 539598466.

It is an arithmetic number, because the mean of its divisors is an integer number (39244253334264).

Almost surely, 2621431483030401 is an apocalyptic number.

It is an amenable number.

621431483030401 is a deficient number, since it is larger than the sum of its proper divisors (6476570317823).

621431483030401 is a wasteful number, since it uses less digits than its factorization.

621431483030401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158360.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 621431483030401 in words is "six hundred twenty-one trillion, four hundred thirty-one billion, four hundred eighty-three million, thirty thousand, four hundred one".

Divisors: 1 107 1213 4153 129791 444371 1152887 5037589 123358909 539022023 1398451931 4787939711 149634356617 512309549077 5807770869443 621431483030401