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545420615244 = 223268916902833
BaseRepresentation
bin1111110111111011001…
…10100001111001001100
31221010211022010000221120
413323331212201321030
532414010134141434
61054321320400540
754256013510211
oct7737546417114
91833738100846
10545420615244
111a0347799a4a
1289858316150
133c58223a97b
141c5816a1b08
15e2c3458349
hex7efd9a1e4c

545420615244 has 24 divisors (see below), whose sum is σ = 1273121456880. Its totient is φ = 181739249664.

The previous prime is 545420615219. The next prime is 545420615291. The reversal of 545420615244 is 442516024545.

It is a junction number, because it is equal to n+sod(n) for n = 545420615196 and 545420615205.

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, 8419149 + ... + 8483684.

It is an arithmetic number, because the mean of its divisors is an integer number (53046727370).

Almost surely, 2545420615244 is an apocalyptic number.

It is an amenable number.

545420615244 is an abundant number, since it is smaller than the sum of its proper divisors (727700841636).

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

545420615244 is a wasteful number, since it uses less digits than its factorization.

545420615244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16905529 (or 16905527 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 42.

Adding to 545420615244 its reverse (442516024545), we get a palindrome (987936639789).

The spelling of 545420615244 in words is "five hundred forty-five billion, four hundred twenty million, six hundred fifteen thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 2689 5378 8067 10756 16134 32268 16902833 33805666 50708499 67611332 101416998 202833996 45451717937 90903435874 136355153811 181806871748 272710307622 545420615244