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54531413545 = 577321343019
BaseRepresentation
bin110010110010010100…
…110101011000101001
312012202101110211102011
4302302110311120221
51343140020213140
641015033235521
73640224236650
oct626224653051
9165671424364
1054531413545
112114361a124
12a69a562ba1
1351b07c4a0b
1428d4496197
1516425dacea
hexcb2535629

54531413545 has 16 divisors (see below), whose sum is σ = 75810407040. Its totient is φ = 36880735104.

The previous prime is 54531413507. The next prime is 54531413549.

54531413545 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 54531413545 - 29 = 54531413033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54531413498 and 54531413507.

It is not an unprimeable number, because it can be changed into a prime (54531413549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10668955 + ... + 10674064.

It is an arithmetic number, because the mean of its divisors is an integer number (4738150440).

Almost surely, 254531413545 is an apocalyptic number.

It is an amenable number.

54531413545 is a deficient number, since it is larger than the sum of its proper divisors (21278993495).

54531413545 is a wasteful number, since it uses less digits than its factorization.

54531413545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21343104.

The product of its digits is 360000, while the sum is 40.

The spelling of 54531413545 in words is "fifty-four billion, five hundred thirty-one million, four hundred thirteen thousand, five hundred forty-five".

Divisors: 1 5 7 35 73 365 511 2555 21343019 106715095 149401133 747005665 1558040387 7790201935 10906282709 54531413545