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14878942680 = 2335724777151
BaseRepresentation
bin11011101101101101…
…01010010111011000
31102101221100121021010
431312312222113120
5220433002131210
610500231213520
71034466632430
oct156666522730
942357317233
1014878942680
116345858948
122a72b172a0
131531741ac4
14a121112c0
155c13a0920
hex376daa5d8

14878942680 has 128 divisors (see below), whose sum is σ = 51041249280. Its totient is φ = 3399052800.

The previous prime is 14878942679. The next prime is 14878942717. The reversal of 14878942680 is 8624987841.

It is a self number, because there is not a number n which added to its sum of digits gives 14878942680.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2077105 + ... + 2084255.

It is an arithmetic number, because the mean of its divisors is an integer number (398759760).

Almost surely, 214878942680 is an apocalyptic number.

14878942680 is a gapful number since it is divisible by the number (10) 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 14878942680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25520624640).

14878942680 is an abundant number, since it is smaller than the sum of its proper divisors (36162306600).

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

14878942680 is a wasteful number, since it uses less digits than its factorization.

14878942680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9649 (or 9645 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 57.

The spelling of 14878942680 in words is "fourteen billion, eight hundred seventy-eight million, nine hundred forty-two thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 2477 4954 7151 7431 9908 12385 14302 14862 17339 19816 21453 24770 28604 29724 34678 35755 37155 42906 49540 50057 52017 57208 59448 69356 71510 74310 85812 86695 99080 100114 104034 107265 138712 143020 148620 150171 171624 173390 200228 208068 214530 250285 260085 286040 297240 300342 346780 400456 416136 429060 500570 520170 600684 693560 750855 858120 1001140 1040340 1201368 1501710 2002280 2080680 3003420 6006840 17713027 35426054 53139081 70852108 88565135 106278162 123991189 141704216 177130270 212556324 247982378 265695405 354260540 371973567 425112648 495964756 531390810 619955945 708521080 743947134 991929512 1062781620 1239911890 1487894268 1859867835 2125563240 2479823780 2975788536 3719735670 4959647560 7439471340 14878942680