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5144386380 = 2235743927901
BaseRepresentation
bin1001100101010000…
…10001101101001100
3111021112001220102220
410302220101231030
541013430331010
62210250015340
7241324364010
oct46250215514
914245056386
105144386380
1121aa9656a1
12bb6a17550
1363ca43613
1436b328540
15201977970
hex132a11b4c

5144386380 has 96 divisors (see below), whose sum is σ = 16500126720. Its totient is φ = 1173139200.

The previous prime is 5144386349. The next prime is 5144386409. The reversal of 5144386380 is 836834415.

It is a super-2 number, since 2×51443863802 = 52929422453459008800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170430 + ... + 198330.

It is an arithmetic number, because the mean of its divisors is an integer number (171876320).

Almost surely, 25144386380 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 5144386380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8250063360).

5144386380 is an abundant number, since it is smaller than the sum of its proper divisors (11355740340).

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

5144386380 is a wasteful number, since it uses less digits than its factorization.

5144386380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28359 (or 28357 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 5144386380 is about 71724.3778641544. The cubic root of 5144386380 is about 1726.2798181438.

The spelling of 5144386380 in words is "five billion, one hundred forty-four million, three hundred eighty-six thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 439 878 1317 1756 2195 2634 3073 4390 5268 6146 6585 8780 9219 12292 13170 15365 18438 26340 27901 30730 36876 46095 55802 61460 83703 92190 111604 139505 167406 184380 195307 279010 334812 390614 418515 558020 585921 781228 837030 976535 1171842 1674060 1953070 2343684 2929605 3906140 5859210 11718420 12248539 24497078 36745617 48994156 61242695 73491234 85739773 122485390 146982468 171479546 183728085 244970780 257219319 342959092 367456170 428698865 514438638 734912340 857397730 1028877276 1286096595 1714795460 2572193190 5144386380