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309696980080 = 2454194419811
BaseRepresentation
bin1001000000110110110…
…00001110010001110000
31002121101022111122200111
410200123120032101300
520033224411330310
6354134533031104
731242402616315
oct4403330162160
91077338448614
10309696980080
1110a383964a24
1250030a85494
1323286b01847
1410dbcd46d0c
1580c8b6328a
hex481b60e470

309696980080 has 40 divisors (see below), whose sum is σ = 737607571344. Its totient is φ = 120857356800.

The previous prime is 309696980041. The next prime is 309696980081. The reversal of 309696980080 is 80089696903.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 309696979997 and 309696980024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (309696980081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47206626 + ... + 47213185.

Almost surely, 2309696980080 is an apocalyptic number.

It is an amenable number.

309696980080 is an abundant number, since it is smaller than the sum of its proper divisors (427910591264).

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

309696980080 is a wasteful number, since it uses less digits than its factorization.

309696980080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94419865 (or 94419859 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 58.

The spelling of 309696980080 in words is "three hundred nine billion, six hundred ninety-six million, nine hundred eighty thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 41 80 82 164 205 328 410 656 820 1640 3280 94419811 188839622 377679244 472099055 755358488 944198110 1510716976 1888396220 3776792440 3871212251 7553584880 7742424502 15484849004 19356061255 30969698008 38712122510 61939396016 77424245020 154848490040 309696980080