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22028179068 = 2234723422287
BaseRepresentation
bin10100100000111110…
…110101011001111100
32002212011220102220000
4110200332311121330
5330103203212233
614041500154300
71406610301260
oct244076653174
962764812800
1022028179068
119384372a75
124329238990
13210093a1ac
1410cd7d80a0
1588dd47d13
hex520fb567c

22028179068 has 120 divisors (see below), whose sum is σ = 68674163712. Its totient is φ = 6020109216.

The previous prime is 22028179039. The next prime is 22028179073. The reversal of 22028179068 is 86097182022.

22028179068 is a `hidden beast` number, since 220 + 281 + 7 + 90 + 68 = 666.

It is a congruent number.

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 39 ways as a sum of consecutive naturals, for example, 158980 + ... + 263307.

Almost surely, 222028179068 is an apocalyptic number.

22028179068 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22028179068 is an abundant number, since it is smaller than the sum of its proper divisors (46645984644).

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

22028179068 is a wasteful number, since it uses less digits than its factorization.

22028179068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422333 (or 422322 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 22028179068 in words is "twenty-two billion, twenty-eight million, one hundred seventy-nine thousand, sixty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 23 27 28 36 42 46 54 63 69 81 84 92 108 126 138 161 162 189 207 252 276 322 324 378 414 483 567 621 644 756 828 966 1134 1242 1449 1863 1932 2268 2484 2898 3726 4347 5796 7452 8694 13041 17388 26082 52164 422287 844574 1266861 1689148 2533722 2956009 3800583 5067444 5912018 7601166 8868027 9712601 11401749 11824036 15202332 17736054 19425202 22803498 26604081 29137803 34205247 35472108 38850404 45606996 53208162 58275606 67988207 68410494 79812243 87413409 106416324 116551212 135976414 136820988 159624486 174826818 203964621 239436729 262240227 271952828 319248972 349653636 407929242 478873458 524480454 611893863 786720681 815858484 957746916 1048960908 1223787726 1573441362 1835681589 2447575452 3146882724 3671363178 5507044767 7342726356 11014089534 22028179068