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9890412974 = 2131972776971
BaseRepresentation
bin10010011011000001…
…11011100110101110
3221112021120000222122
421031200323212232
5130223421203344
64313225512542
7500044060151
oct111540734656
927467500878
109890412974
114215975722
121b00342752
13c1809b090
1469b797c98
153cd462aee
hex24d83b9ae

9890412974 has 32 divisors (see below), whose sum is σ = 16118204256. Its totient is φ = 4524589440.

The previous prime is 9890412971. The next prime is 9890412989. The reversal of 9890412974 is 4792140989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9890412971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1415309 + ... + 1422279.

It is an arithmetic number, because the mean of its divisors is an integer number (503693883).

Almost surely, 29890412974 is an apocalyptic number.

9890412974 is a deficient number, since it is larger than the sum of its proper divisors (6227791282).

9890412974 is a wasteful number, since it uses less digits than its factorization.

9890412974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7460.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 9890412974 is about 99450.5554232856. Note that the first 3 decimals coincide. The cubic root of 9890412974 is about 2146.5358292759.

The spelling of 9890412974 in words is "nine billion, eight hundred ninety million, four hundred twelve thousand, nine hundred seventy-four".

Divisors: 1 2 13 26 197 277 394 554 2561 3601 5122 6971 7202 13942 54569 90623 109138 181246 709397 1373287 1418794 1930967 2746574 3861934 17852731 25102571 35705462 50205142 380400499 760800998 4945206487 9890412974