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807258870968 = 2311293111017119
BaseRepresentation
bin10111011111101000110…
…00001101010010111000
32212011200020222120222112
423233310120031102320
5101211231232332333
61414503303111452
7112215425121104
oct13576430152270
92764606876875
10807258870968
112913a1650a10
12110551442588
135b17caac9b4
142b10042a904
1515eea6e3948
hexbbf460d4b8

807258870968 has 64 divisors (see below), whose sum is σ = 1713643776000. Its totient is φ = 353143369600.

The previous prime is 807258870967. The next prime is 807258870983. The reversal of 807258870968 is 869078852708.

It is a junction number, because it is equal to n+sod(n) for n = 807258870898 and 807258870907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (807258870967) 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, 285113 + ... + 1302231.

It is an arithmetic number, because the mean of its divisors is an integer number (26775684000).

Almost surely, 2807258870968 is an apocalyptic number.

807258870968 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 807258870968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (856821888000).

807258870968 is an abundant number, since it is smaller than the sum of its proper divisors (906384905032).

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

807258870968 is a wasteful number, since it uses less digits than its factorization.

807258870968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017476 (or 1017472 counting only the distinct ones).

The product of its (nonzero) digits is 108380160, while the sum is 68.

The spelling of 807258870968 in words is "eight hundred seven billion, two hundred fifty-eight million, eight hundred seventy thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 11 22 29 44 58 88 116 232 311 319 622 638 1244 1276 2488 2552 3421 6842 9019 13684 18038 27368 36076 72152 99209 198418 396836 793672 1017119 2034238 4068476 8136952 11188309 22376618 29496451 44753236 58992902 89506472 117985804 235971608 316324009 324460961 632648018 648921922 1265296036 1297843844 2530592072 2595687688 3479564099 6959128198 9173396261 13918256396 18346792522 27836512792 36693585044 73387170088 100907358871 201814717742 403629435484 807258870968