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97998543461280 = 25357211378782249
BaseRepresentation
bin10110010010000100010000…
…010111110001101110100000
3110211222120100222201211211010
4112102010100113301232200
5100321102004111230110
6544231524231020520
726433106156231500
oct2622042027615640
9424876328654733
1097998543461280
1129252a48a70290
12aba8935b0a740
13428b2b8bc8757
141a2b224b33a00
15b4e2789d0020
hex5921105f1ba0

97998543461280 has 288 divisors, whose sum is σ = 391739633208000. Its totient is φ = 20363333652480.

The previous prime is 97998543461267. The next prime is 97998543461293. The reversal of 97998543461280 is 8216434589979.

It is an interprime number because it is at equal distance from previous prime (97998543461267) and next prime (97998543461293).

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 47 ways as a sum of consecutive naturals, for example, 189132405 + ... + 189649844.

It is an arithmetic number, because the mean of its divisors is an integer number (1360207059750).

It is a 1-persistent number, because it is pandigital, but 2⋅97998543461280 = 195997086922560 is not.

Almost surely, 297998543461280 is an apocalyptic number.

It is an amenable number.

97998543461280 is an abundant number, since it is smaller than the sum of its proper divisors (293741089746720).

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

97998543461280 is a wasteful number, since it uses less digits than its factorization.

97998543461280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378782292 (or 378782277 counting only the distinct ones).

The product of its (nonzero) digits is 940584960, while the sum is 75.

The spelling of 97998543461280 in words is "ninety-seven trillion, nine hundred ninety-eight billion, five hundred forty-three million, four hundred sixty-one thousand, two hundred eighty".