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88255056980 = 22517279347557
BaseRepresentation
bin101001000110001101…
…0010100110001010100
322102210122110102022002
41102030122110301110
52421221243310410
6104313244054432
76243020415056
oct1221432246124
9272718412262
1088255056980
1134479751622
1215130534418
13842646b30c
1443b32778d6
15246809b7a5
hex148c694c54

88255056980 has 144 divisors (see below), whose sum is σ = 200304679680. Its totient is φ = 32651593728.

The previous prime is 88255056979. The next prime is 88255057067. The reversal of 88255056980 is 8965055288.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 158446862 + ... + 158447418.

It is an arithmetic number, because the mean of its divisors is an integer number (1391004720).

Almost surely, 288255056980 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 88255056980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100152339840).

88255056980 is an abundant number, since it is smaller than the sum of its proper divisors (112049622700).

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

88255056980 is a wasteful number, since it uses less digits than its factorization.

88255056980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026 (or 1007 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 56.

The spelling of 88255056980 in words is "eighty-eight billion, two hundred fifty-five million, fifty-six thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 17 20 34 68 79 85 158 170 289 316 340 347 395 557 578 694 790 1114 1156 1343 1388 1445 1580 1735 2228 2686 2785 2890 3470 5372 5570 5780 5899 6715 6940 9469 11140 11798 13430 18938 22831 23596 26860 27413 29495 37876 44003 45662 47345 54826 58990 88006 91324 94690 100283 109652 114155 117980 137065 160973 176012 189380 193279 200566 220015 228310 274130 321946 386558 401132 440030 456620 466021 501415 548260 643892 748051 773116 804865 880060 932042 966395 1002830 1496102 1609730 1864084 1932790 2005660 2330105 2992204 3219460 3285743 3740255 3865580 4660210 6571486 7480510 7922357 9320420 12716867 13142972 14961020 15269041 15844714 16428715 25433734 30538082 31689428 32857430 39611785 50867468 55857631 61076164 63584335 65714860 76345205 79223570 111715262 127168670 152690410 158447140 223430524 254337340 259573697 279288155 305380820 519147394 558576310 1038294788 1117152620 1297868485 2595736970 4412752849 5191473940 8825505698 17651011396 22063764245 44127528490 88255056980