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5405445045 = 3257311133179
BaseRepresentation
bin1010000100011000…
…01000101110110101
3111221201022001121100
411002030020232311
542032243220140
62252213240313
7250644345000
oct50214105665
914851261540
105405445045
112324261960
12106a333099
13681b586c0
14393c82537
15219843530
hex142308bb5

5405445045 has 384 divisors, whose sum is σ = 13418496000. Its totient is φ = 1981324800.

The previous prime is 5405445029. The next prime is 5405445079.

5405445045 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5405445045 - 24 = 5405445029 is a prime.

It is a super-2 number, since 2×54054450452 = 58437672269030104050, which 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 383 ways as a sum of consecutive naturals, for example, 68423316 + ... + 68423394.

It is an arithmetic number, because the mean of its divisors is an integer number (34944000).

Almost surely, 25405445045 is an apocalyptic number.

5405445045 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5405445045 is an abundant number, since it is smaller than the sum of its proper divisors (8013050955).

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

5405445045 is a wasteful number, since it uses less digits than its factorization.

5405445045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The square root of 5405445045 is about 73521.7317872750. The cubic root of 5405445045 is about 1755.0001266223. Note that the first 3 decimals are identical.

It can be divided in two parts, 54054 and 45045, that added together give a palindrome (99099).

The spelling of 5405445045 in words is "five billion, four hundred five million, four hundred forty-five thousand, forty-five".