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443145521137372 = 221749913059811421
BaseRepresentation
bin110010011000010011101101…
…1010111110000011011011100
32011010001022001022011010021221
41210300213123113300123130
5431040444011402343442
64210254124133503124
7162225131060351044
oct14460473327603334
92133038038133257
10443145521137372
11119221a619a1829
12418506a24a1aa4
131603659c00c091
147b60501604724
153637372d58467
hex19309db5f06dc

443145521137372 has 24 divisors (see below), whose sum is σ = 822768119586000. Its totient is φ = 208121154789120.

The previous prime is 443145521137369. The next prime is 443145521137411. The reversal of 443145521137372 is 273731125541344.

It is a super-2 number, since 2×4431455211373722 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6529871779 + ... + 6529939642.

It is an arithmetic number, because the mean of its divisors is an integer number (34282004982750).

Almost surely, 2443145521137372 is an apocalyptic number.

It is an amenable number.

443145521137372 is a deficient number, since it is larger than the sum of its proper divisors (379622598448628).

443145521137372 is a wasteful number, since it uses less digits than its factorization.

443145521137372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13059811941 (or 13059811939 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 52.

The spelling of 443145521137372 in words is "four hundred forty-three trillion, one hundred forty-five billion, five hundred twenty-one million, one hundred thirty-seven thousand, three hundred seventy-two".

Divisors: 1 2 4 17 34 68 499 998 1996 8483 16966 33932 13059811421 26119622842 52239245684 222016794157 444033588314 888067176628 6516845899079 13033691798158 26067383596316 110786380284343 221572760568686 443145521137372