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22001301015072 = 2531032225050669
BaseRepresentation
bin1010000000010100100111…
…01110110100101000100000
32212220022012111101202210020
411000022103232310220200
510340432131024440242
6114443131432233440
74430353514665551
oct500122356645040
985808174352706
1022001301015072
117012776939795
122573bbb23b880
13c3793824a0c2
14560c23814328
152824871a46ec
hex140293bb4a20

22001301015072 has 48 divisors (see below), whose sum is σ = 58314127959360. Its totient is φ = 7262565380352.

The previous prime is 22001301015053. The next prime is 22001301015079. The reversal of 22001301015072 is 27051010310022.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is not an unprimeable number, because it can be changed into a prime (22001301015079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1112515447 + ... + 1112535222.

It is an arithmetic number, because the mean of its divisors is an integer number (1214877665820).

Almost surely, 222001301015072 is an apocalyptic number.

It is an amenable number.

22001301015072 is an abundant number, since it is smaller than the sum of its proper divisors (36312826944288).

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

22001301015072 is a wasteful number, since it uses less digits than its factorization.

22001301015072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225050785 (or 2225050777 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

Adding to 22001301015072 its reverse (27051010310022), we get a palindrome (49052311325094).

The spelling of 22001301015072 in words is "twenty-two trillion, one billion, three hundred one million, fifteen thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 103 206 309 412 618 824 1236 1648 2472 3296 4944 9888 2225050669 4450101338 6675152007 8900202676 13350304014 17800405352 26700608028 35600810704 53401216056 71201621408 106802432112 213604864224 229180218907 458360437814 687540656721 916720875628 1375081313442 1833441751256 2750162626884 3666883502512 5500325253768 7333767005024 11000650507536 22001301015072