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89120702420 = 22517597360859
BaseRepresentation
bin101001100000000000…
…0011111111111010100
322112000222022202121022
41103000000133333110
52430004344434140
6104535205540312
76303331320521
oct1230000377724
9275028282538
1089120702420
1134883349882
1215332414698
1385338c6959
144456210148
1524b908e0b5
hex14c001ffd4

89120702420 has 96 divisors (see below), whose sum is σ = 204285110400. Its totient is φ = 32530305024.

The previous prime is 89120702399. The next prime is 89120702441. The reversal of 89120702420 is 2420702198.

It is an interprime number because it is at equal distance from previous prime (89120702399) and next prime (89120702441).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1433951 + ... + 1494809.

It is an arithmetic number, because the mean of its divisors is an integer number (2127969900).

Almost surely, 289120702420 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 89120702420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102142555200).

89120702420 is an abundant number, since it is smaller than the sum of its proper divisors (115164407980).

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

89120702420 is a wasteful number, since it uses less digits than its factorization.

89120702420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61017 (or 61015 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 89120702420 in words is "eighty-nine billion, one hundred twenty million, seven hundred two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 59 68 73 85 118 146 170 236 292 295 340 365 590 730 1003 1180 1241 1460 2006 2482 4012 4307 4964 5015 6205 8614 10030 12410 17228 20060 21535 24820 43070 60859 73219 86140 121718 146438 243436 292876 304295 366095 608590 732190 1034603 1217180 1464380 2069206 3590681 4138412 4442707 5173015 7181362 8885414 10346030 14362724 17770828 17953405 20692060 22213535 35906810 44427070 61041577 71813620 75526019 88854140 122083154 151052038 244166308 262119713 302104076 305207885 377630095 524239426 610415770 755260190 1048478852 1220831540 1310598565 1510520380 2621197130 4456035121 5242394260 8912070242 17824140484 22280175605 44560351210 89120702420