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445662102054021 = 3322195146106857
BaseRepresentation
bin110010101010100111100101…
…1010010000110010010000101
32011102221212210011010112010120
41211111033023102012102011
5431403211441111212041
64215502202052412153
7162605011226244366
oct14525171322062205
92142855704115116
10445662102054021
1111a00226624a106
1241b98374317059
13161899a9920ba8
147c0a237465b6d
15367ca6245d366
hex19553cb486485

445662102054021 has 8 divisors (see below), whose sum is σ = 594216333387264. Its totient is φ = 297107969378400.

The previous prime is 445662102054017. The next prime is 445662102054023. The reversal of 445662102054021 is 120450201266544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 445662102054021 - 22 = 445662102054017 is a prime.

It is a super-2 number, since 2×4456621020540212 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445662102054023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13387576 + ... + 32719281.

It is an arithmetic number, because the mean of its divisors is an integer number (74277041673408).

Almost surely, 2445662102054021 is an apocalyptic number.

It is an amenable number.

445662102054021 is a deficient number, since it is larger than the sum of its proper divisors (148554231333243).

445662102054021 is a wasteful number, since it uses less digits than its factorization.

445662102054021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49328811.

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 445662102054021 in words is "four hundred forty-five trillion, six hundred sixty-two billion, one hundred two million, fifty-four thousand, twenty-one".

Divisors: 1 3 3221951 9665853 46106857 138320571 148554034018007 445662102054021