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5918238872 = 2371347269643
BaseRepresentation
bin1011000001100000…
…10010100010011000
3120021110012200111022
411200300102202120
544110032120442
62415132222012
7266442125510
oct54060224230
916243180438
105918238872
112567767507
12119200a908
1373416cbc0
14402008840
152498873d2
hex160c12898

5918238872 has 128 divisors (see below), whose sum is σ = 14021683200. Its totient is φ = 2279397888.

The previous prime is 5918238863. The next prime is 5918238881. The reversal of 5918238872 is 2788328195.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5918238863) and next prime (5918238881).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9203783 + ... + 9204425.

It is an arithmetic number, because the mean of its divisors is an integer number (109544400).

Almost surely, 25918238872 is an apocalyptic number.

5918238872 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5918238872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7010841600).

5918238872 is an abundant number, since it is smaller than the sum of its proper divisors (8103444328).

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

5918238872 is a wasteful number, since it uses less digits than its factorization.

5918238872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985 (or 981 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 53.

The square root of 5918238872 is about 76930.0908097735. The cubic root of 5918238872 is about 1808.8289355176.

The spelling of 5918238872 in words is "five billion, nine hundred eighteen million, two hundred thirty-eight thousand, eight hundred seventy-two".

Divisors: 1 2 4 7 8 13 14 26 28 47 52 56 91 94 104 182 188 269 329 364 376 538 611 643 658 728 1076 1222 1286 1316 1883 2152 2444 2572 2632 3497 3766 4277 4501 4888 5144 6994 7532 8359 8554 9002 12643 13988 15064 16718 17108 18004 24479 25286 27976 30221 33436 34216 36008 48958 50572 58513 60442 66872 88501 97916 101144 117026 120884 164359 172967 177002 195832 211547 234052 241768 328718 345934 354004 392873 423094 468104 657436 691868 708008 785746 846188 1150513 1210769 1314872 1383736 1571492 1692376 2248571 2301026 2421538 2750111 3142984 4497142 4602052 4843076 5500222 8129449 8994284 9204104 9686152 11000444 15739997 16258898 17988568 22000888 31479994 32517796 56906143 62959988 65035592 105682837 113812286 125919976 211365674 227624572 422731348 455249144 739779859 845462696 1479559718 2959119436 5918238872