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5491055180 = 22513191110573
BaseRepresentation
bin1010001110100101…
…01101101001001100
3112011200101111122002
411013102231221030
542221202231210
62304512211432
7253034125142
oct50722555114
915150344562
105491055180
112368615036
121092b39b78
136968014a0
143a13a9592
152221044a5
hex1474ada4c

5491055180 has 48 divisors (see below), whose sum is σ = 12483362304. Its totient is φ = 2016833280.

The previous prime is 5491055179. The next prime is 5491055197. The reversal of 5491055180 is 815501945.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5627 + ... + 104946.

It is an arithmetic number, because the mean of its divisors is an integer number (260070048).

Almost surely, 25491055180 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5491055180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6241681152).

5491055180 is an abundant number, since it is smaller than the sum of its proper divisors (6992307124).

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

5491055180 is a wasteful number, since it uses less digits than its factorization.

5491055180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110786 (or 110784 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 38.

The square root of 5491055180 is about 74101.6543674971. The cubic root of 5491055180 is about 1764.2167293352.

The spelling of 5491055180 in words is "five billion, four hundred ninety-one million, fifty-five thousand, one hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 191 260 382 764 955 1910 2483 3820 4966 9932 12415 24830 49660 110573 221146 442292 552865 1105730 1437449 2211460 2874898 5749796 7187245 14374490 21119443 28748980 42238886 84477772 105597215 211194430 274552759 422388860 549105518 1098211036 1372763795 2745527590 5491055180