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5181862140 = 22335713176203
BaseRepresentation
bin1001101001101110…
…01111000011111100
3111101010120212112000
410310313033003330
541103024042030
62214105142300
7242261046540
oct46467170374
914333525460
105181862140
11221a0317a4
12100748a990
13647735220
143722c1a20
15204dcb860
hex134dcf0fc

5181862140 has 384 divisors, whose sum is σ = 21012203520. Its totient is φ = 1028837376.

The previous prime is 5181862139. The next prime is 5181862141. The reversal of 5181862140 is 412681815.

5181862140 is a `hidden beast` number, since 5 + 18 + 18 + 621 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (5181862139) and next prime (5181862141).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5181862095 and 5181862104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5181862141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 832279 + ... + 838481.

It is an arithmetic number, because the mean of its divisors is an integer number (54719280).

Almost surely, 25181862140 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 5181862140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10506101760).

5181862140 is an abundant number, since it is smaller than the sum of its proper divisors (15830341380).

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

5181862140 is a wasteful number, since it uses less digits than its factorization.

5181862140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6258 (or 6250 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 5181862140 is about 71985.1522190514. The cubic root of 5181862140 is about 1730.4615405715.

The spelling of 5181862140 in words is "five billion, one hundred eighty-one million, eight hundred sixty-two thousand, one hundred forty".