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30561444432552 = 233111572753267833
BaseRepresentation
bin1101111001011101001000…
…00010100000101010101000
311000012122102121110001102210
412330232210002200222220
513001204314233320202
6144555422253525120
76302664040335105
oct674564402405250
9130178377401383
1030561444432552
119813043713120
123517019aa37a0
131408c16351c07
14779278c1daac
1537ee8ed7ec6c
hex1bcba40a0aa8

30561444432552 has 128 divisors (see below), whose sum is σ = 83911063743360. Its totient is φ = 9198679326720.

The previous prime is 30561444432527. The next prime is 30561444432587. The reversal of 30561444432552 is 25523444416503.

It is a super-3 number, since 3×305614444325523 (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 113972428 + ... + 114240260.

It is an arithmetic number, because the mean of its divisors is an integer number (655555185495).

Almost surely, 230561444432552 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 30561444432552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41955531871680).

30561444432552 is an abundant number, since it is smaller than the sum of its proper divisors (53349619310808).

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

30561444432552 is a wasteful number, since it uses less digits than its factorization.

30561444432552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270763 (or 270759 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 48.

The spelling of 30561444432552 in words is "thirty trillion, five hundred sixty-one billion, four hundred forty-four million, four hundred thirty-two thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 157 264 314 471 628 942 1256 1727 1884 2753 3454 3768 5181 5506 6908 8259 10362 11012 13816 16518 20724 22024 30283 33036 41448 60566 66072 90849 121132 181698 242264 267833 363396 432221 535666 726792 803499 864442 1071332 1296663 1606998 1728884 2142664 2593326 2946163 3213996 3457768 4754431 5186652 5892326 6427992 8838489 9508862 10373304 11784652 14263293 17676978 19017724 23569304 28526586 35353956 38035448 42049781 57053172 70707912 84099562 114106344 126149343 168199124 252298686 336398248 462547591 504597372 737344249 925095182 1009194744 1387642773 1474688498 1850190364 2212032747 2775285546 2949376996 3700380728 4424065494 5550571092 5898753992 8110786739 8848130988 11101142184 16221573478 17696261976 24332360217 32443146956 48664720434 64886293912 97329440868 115763047093 194658881736 231526094186 347289141279 463052188372 694578282558 926104376744 1273393518023 1389156565116 2546787036046 2778313130232 3820180554069 5093574072092 7640361108138 10187148144184 15280722216276 30561444432552