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545434245040 = 2456817928063
BaseRepresentation
bin1111110111111100110…
…10100001011110110000
31221010212020202111111211
413323332122201132300
532414022131320130
61054322524445504
754256240405216
oct7737632413660
91833766674454
10545434245040
111a0354459243
12898609a9894
133c585000739
141c58340ccb6
15e2c474ba2a
hex7efe6a17b0

545434245040 has 20 divisors (see below), whose sum is σ = 1268134619904. Its totient is φ = 218173697984.

The previous prime is 545434245017. The next prime is 545434245047. The reversal of 545434245040 is 40542434545.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 545434244984 and 545434245002.

It is not an unprimeable number, because it can be changed into a prime (545434245047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3408963952 + ... + 3408964111.

Almost surely, 2545434245040 is an apocalyptic number.

It is an amenable number.

545434245040 is an abundant number, since it is smaller than the sum of its proper divisors (722700374864).

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

545434245040 is a wasteful number, since it uses less digits than its factorization.

545434245040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6817928076 (or 6817928070 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 40.

Adding to 545434245040 its reverse (40542434545), we get a palindrome (585976679585).

The spelling of 545434245040 in words is "five hundred forty-five billion, four hundred thirty-four million, two hundred forty-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 6817928063 13635856126 27271712252 34089640315 54543424504 68179280630 109086849008 136358561260 272717122520 545434245040