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70823090904 = 23337382120873
BaseRepresentation
bin100000111110101100…
…0101001101011011000
320202210210010210022220
41001331120221223120
52130021202402104
652311412344040
75055030224406
oct1017530515330
9222723123286
1070823090904
1128043874495
1211886615020
1368a8b237a7
1435dc072476
151c979e97d9
hex107d629ad8

70823090904 has 64 divisors (see below), whose sum is σ = 181899375840. Its totient is φ = 22962539520.

The previous prime is 70823090869. The next prime is 70823090917. The reversal of 70823090904 is 40909032807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3382612 + ... + 3403484.

Almost surely, 270823090904 is an apocalyptic number.

70823090904 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

70823090904 is an abundant number, since it is smaller than the sum of its proper divisors (111076284936).

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

70823090904 is a wasteful number, since it uses less digits than its factorization.

70823090904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24740 (or 24736 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 70823090904 in words is "seventy billion, eight hundred twenty-three million, ninety thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 12 24 37 74 111 148 222 296 444 888 3821 7642 11463 15284 20873 22926 30568 41746 45852 62619 83492 91704 125238 141377 166984 250476 282754 424131 500952 565508 772301 848262 1131016 1544602 1696524 2316903 3089204 3393048 4633806 6178408 9267612 18535224 79755733 159511466 239267199 319022932 478534398 638045864 957068796 1914137592 2950962121 5901924242 8852886363 11803848484 17705772726 23607696968 35411545452 70823090904