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115234297440 = 25351631472831
BaseRepresentation
bin110101101010001111…
…1111101011001100000
3102000102212122211121020
41223110133331121200
53341444440004230
6124534330525440
711216420236563
oct1532437753140
9360385584536
10115234297440
1144963836269
121a3bb896880
13ab35a60b22
1458124344da
152ee68d0810
hex1ad47fd660

115234297440 has 96 divisors (see below), whose sum is σ = 365215205376. Its totient is φ = 30540602880.

The previous prime is 115234297417. The next prime is 115234297441. The reversal of 115234297440 is 44792432511.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 115234297392 and 115234297401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115234297441) 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, 658176 + ... + 814655.

It is an arithmetic number, because the mean of its divisors is an integer number (3804325056).

Almost surely, 2115234297440 is an apocalyptic number.

115234297440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115234297440 is an abundant number, since it is smaller than the sum of its proper divisors (249980907936).

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

115234297440 is a wasteful number, since it uses less digits than its factorization.

115234297440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473012 (or 1473004 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 115234297440 in words is "one hundred fifteen billion, two hundred thirty-four million, two hundred ninety-seven thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 163 240 326 480 489 652 815 978 1304 1630 1956 2445 2608 3260 3912 4890 5216 6520 7824 9780 13040 15648 19560 26080 39120 78240 1472831 2945662 4418493 5891324 7364155 8836986 11782648 14728310 17673972 22092465 23565296 29456620 35347944 44184930 47130592 58913240 70695888 88369860 117826480 141391776 176739720 235652960 240071453 353479440 480142906 706958880 720214359 960285812 1200357265 1440428718 1920571624 2400714530 2880857436 3601071795 3841143248 4801429060 5761714872 7202143590 7682286496 9602858120 11523429744 14404287180 19205716240 23046859488 28808574360 38411432480 57617148720 115234297440