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5164953381 = 327132761781
BaseRepresentation
bin1001100111101101…
…01110111100100101
3111022221202211001200
410303312232330211
541034212002011
62212302513113
7241664244060
oct46366567445
914287684050
105164953381
112210532a15
121001895799
13644094b43
1436dd5d8d7
1520368b856
hex133daef25

5164953381 has 24 divisors (see below), whose sum is σ = 8532835584. Its totient is φ = 2949130080.

The previous prime is 5164953373. The next prime is 5164953401. The reversal of 5164953381 is 1833594615.

5164953381 is a `hidden beast` number, since 51 + 6 + 495 + 33 + 81 = 666.

It is not a de Polignac number, because 5164953381 - 23 = 5164953373 is a prime.

It is a super-2 number, since 2×51649533812 = 53353486855806662322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5164955381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52711 + ... + 114491.

It is an arithmetic number, because the mean of its divisors is an integer number (355534816).

Almost surely, 25164953381 is an apocalyptic number.

It is an amenable number.

5164953381 is a deficient number, since it is larger than the sum of its proper divisors (3367882203).

5164953381 is a wasteful number, since it uses less digits than its factorization.

5164953381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63121 (or 63118 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 5164953381 is about 71867.6100966214. The cubic root of 5164953381 is about 1728.5772861020.

The spelling of 5164953381 in words is "five billion, one hundred sixty-four million, nine hundred fifty-three thousand, three hundred eighty-one".

Divisors: 1 3 7 9 21 63 1327 3981 9289 11943 27867 61781 83601 185343 432467 556029 1297401 3892203 81983387 245950161 573883709 737850483 1721651127 5164953381