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30311230304040 = 2335736084797981
BaseRepresentation
bin1101110010001011000100…
…00111010110111100101000
310222022201120202102100012220
412321011202013112330220
512433104344424212130
6144244441552434040
76245625354335010
oct671054207267450
9128281522370186
1030311230304040
119726a14326a64
123496629848920
1313bb44baccc7a
1476b0ddbccc40
153786e836a410
hex1b91621d6f28

30311230304040 has 64 divisors (see below), whose sum is σ = 103924218188160. Its totient is φ = 6928281212160.

The previous prime is 30311230304027. The next prime is 30311230304071. The reversal of 30311230304040 is 4040303211303.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 30311230304040.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18042398151 + ... + 18042399830.

It is an arithmetic number, because the mean of its divisors is an integer number (1623815909190).

Almost surely, 230311230304040 is an apocalyptic number.

30311230304040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30311230304040 is an abundant number, since it is smaller than the sum of its proper divisors (73612987884120).

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

30311230304040 is a wasteful number, since it uses less digits than its factorization.

30311230304040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36084798002 (or 36084797998 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 30311230304040 its reverse (4040303211303), we get a palindrome (34351533515343).

The spelling of 30311230304040 in words is "thirty trillion, three hundred eleven billion, two hundred thirty million, three hundred four thousand, forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 36084797981 72169595962 108254393943 144339191924 180423989905 216508787886 252593585867 288678383848 360847979810 433017575772 505187171734 541271969715 721695959620 757780757601 866035151544 1010374343468 1082543939430 1262967929335 1443391919240 1515561515202 2020748686936 2165087878860 2525935858670 3031123030404 3788903788005 4330175757720 5051871717340 6062246060808 7577807576010 10103743434680 15155615152020 30311230304040