Search a number
-
+
89619667480 = 23571732716827
BaseRepresentation
bin101001101110110111…
…1111001101000011000
322120022202012210222201
41103131233321220120
52432020113324410
6105100512255544
76321600414250
oct1233557715030
9276282183881
1089619667480
1135009a696a2
12154515415b4
1385b30a8955
1444a25b6960
1524e7ca083a
hex14ddbf9a18

89619667480 has 128 divisors (see below), whose sum is σ = 232672020480. Its totient is φ = 30431946240.

The previous prime is 89619667429. The next prime is 89619667547. The reversal of 89619667480 is 8476691698.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13123827 + ... + 13130653.

It is an arithmetic number, because the mean of its divisors is an integer number (1817750160).

Almost surely, 289619667480 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 89619667480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116336010240).

89619667480 is an abundant number, since it is smaller than the sum of its proper divisors (143052353000).

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

89619667480 is a wasteful number, since it uses less digits than its factorization.

89619667480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7289 (or 7285 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 64.

The spelling of 89619667480 in words is "eighty-nine billion, six hundred nineteen million, six hundred sixty-seven thousand, four hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 173 271 280 346 542 692 865 1084 1211 1355 1384 1730 1897 2168 2422 2710 3460 3794 4844 5420 6055 6827 6920 7588 9485 9688 10840 12110 13654 15176 18970 24220 27308 34135 37940 46883 47789 48440 54616 68270 75880 93766 95578 136540 187532 191156 234415 238945 273080 328181 375064 382312 468830 477890 656362 937660 955780 1181071 1312724 1640905 1850117 1875320 1911560 2362142 2625448 3281810 3700234 4724284 5905355 6563620 7400468 8267497 9250585 9448568 11810710 12950819 13127240 14800936 16534994 18501170 23621420 25901638 33069988 37002340 41337485 47242840 51803276 64754095 66139976 74004680 82674970 103606552 129508190 165349940 259016380 320070241 330699880 518032760 640140482 1280280964 1600351205 2240491687 2560561928 3200702410 4480983374 6401404820 8961966748 11202458435 12802809640 17923933496 22404916870 44809833740 89619667480