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21433254241060 = 2254726459861761
BaseRepresentation
bin1001101111110010100011…
…00000010110001100100100
32210212222222100011210000101
410313321101200112030210
510302130301041203220
6113330145010353444
74341334010041024
oct467712140261444
983788870153011
1021433254241060
116913879289882
1224a1aa958b884
13bc61bb53310c
14541537179a84
152727dc68430a
hex137e51816324

21433254241060 has 48 divisors (see below), whose sum is σ = 45969280600320. Its totient is φ = 8390564157440.

The previous prime is 21433254241051. The next prime is 21433254241123. The reversal of 21433254241060 is 6014245233412.

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, 24440580 + ... + 25302340.

It is an arithmetic number, because the mean of its divisors is an integer number (957693345840).

Almost surely, 221433254241060 is an apocalyptic number.

21433254241060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21433254241060 is an abundant number, since it is smaller than the sum of its proper divisors (24536026359260).

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

21433254241060 is a wasteful number, since it uses less digits than its factorization.

21433254241060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888276 (or 888274 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 21433254241060 its reverse (6014245233412), we get a palindrome (27447499474472).

The spelling of 21433254241060 in words is "twenty-one trillion, four hundred thirty-three billion, two hundred fifty-four million, two hundred forty-one thousand, sixty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 26459 52918 105836 132295 264590 529180 861761 1243573 1723522 2487146 3447044 4308805 4974292 6217865 8617610 12435730 17235220 24871460 40502767 81005534 162011068 202513835 405027670 810055340 22801334299 45602668598 91205337196 114006671495 228013342990 456026685980 1071662712053 2143325424106 4286650848212 5358313560265 10716627120530 21433254241060