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21960114768 = 243483204151
BaseRepresentation
bin10100011100111011…
…001100001001010000
32002200102211102020000
4110130323030021100
5324433242133033
614031025250000
71405122616134
oct243473141120
962612742200
1021960114768
119349a04289
12430a493900
1320bc7c8767
1410c475b3c4
15887da0a13
hex51cecc250

21960114768 has 100 divisors (see below), whose sum is σ = 64325028768. Its totient is φ = 7231809600.

The previous prime is 21960114767. The next prime is 21960114791. The reversal of 21960114768 is 86741106912.

21960114768 is a `hidden beast` number, since 21 + 9 + 601 + 14 + 7 + 6 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21960114767) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5493 + ... + 209643.

Almost surely, 221960114768 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 21960114768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32162514384).

21960114768 is an abundant number, since it is smaller than the sum of its proper divisors (42364914000).

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

21960114768 is a wasteful number, since it uses less digits than its factorization.

21960114768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204254 (or 204239 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 21960114768 in words is "twenty-one billion, nine hundred sixty million, one hundred fourteen thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 83 108 144 162 166 216 249 324 332 432 498 648 664 747 996 1296 1328 1494 1992 2241 2988 3984 4482 5976 6723 8964 11952 13446 17928 26892 35856 53784 107568 204151 408302 612453 816604 1224906 1633208 1837359 2449812 3266416 3674718 4899624 5512077 7349436 9799248 11024154 14698872 16536231 16944533 22048308 29397744 33072462 33889066 44096616 50833599 66144924 67778132 88193232 101667198 132289848 135556264 152500797 203334396 264579696 271112528 305001594 406668792 457502391 610003188 813337584 915004782 1220006376 1372507173 1830009564 2440012752 2745014346 3660019128 5490028692 7320038256 10980057384 21960114768