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545460382020 = 22359091006367
BaseRepresentation
bin1111110111111111111…
…10001110100101000100
31221010221001221101201010
413323333332032211010
532414100324211040
61054325301002220
754260005514301
oct7737776164504
91833831841633
10545460382020
111a0368190354
12898696b3370
133c58a5522c8
141c586a940a8
15e2c6bb0e80
hex7efff8e944

545460382020 has 24 divisors (see below), whose sum is σ = 1527289069824. Its totient is φ = 145456101856.

The previous prime is 545460382001. The next prime is 545460382063. The reversal of 545460382020 is 20283064545.

It is a self number, because there is not a number n which added to its sum of digits gives 545460382020.

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, 4545503124 + ... + 4545503243.

It is an arithmetic number, because the mean of its divisors is an integer number (63637044576).

Almost surely, 2545460382020 is an apocalyptic number.

It is an amenable number.

545460382020 is an abundant number, since it is smaller than the sum of its proper divisors (981828687804).

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

545460382020 is a wasteful number, since it uses less digits than its factorization.

545460382020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9091006379 (or 9091006377 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 545460382020 in words is "five hundred forty-five billion, four hundred sixty million, three hundred eighty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 9091006367 18182012734 27273019101 36364025468 45455031835 54546038202 90910063670 109092076404 136365095505 181820127340 272730191010 545460382020