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13942280880 = 24325111760389
BaseRepresentation
bin11001111110000011…
…00101001010110000
31022222122212020211100
430333001211022300
5212023210442010
610223251244400
71002334301133
oct147701451260
938878766740
1013942280880
115a05065a90
1228512a9700
131412680158
1496397021a
155690312c0
hex33f0652b0

13942280880 has 120 divisors (see below), whose sum is σ = 51079476240. Its totient is φ = 3379944960.

The previous prime is 13942280867. The next prime is 13942280899. The reversal of 13942280880 is 8808224931.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×139422808802 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 872275 + ... + 888114.

It is an arithmetic number, because the mean of its divisors is an integer number (425662302).

Almost surely, 213942280880 is an apocalyptic number.

13942280880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13942280880 is an abundant number, since it is smaller than the sum of its proper divisors (37137195360).

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

13942280880 is a wasteful number, since it uses less digits than its factorization.

13942280880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760419 (or 1760410 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 13942280880 in words is "thirteen billion, nine hundred forty-two million, two hundred eighty thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 33 36 40 44 45 48 55 60 66 72 80 88 90 99 110 120 132 144 165 176 180 198 220 240 264 330 360 396 440 495 528 660 720 792 880 990 1320 1584 1980 2640 3960 7920 1760389 3520778 5281167 7041556 8801945 10562334 14083112 15843501 17603890 19364279 21124668 26405835 28166224 31687002 35207780 38728558 42249336 52811670 58092837 63374004 70415560 77457116 79217505 84498672 96821395 105623340 116185674 126748008 140831120 154914232 158435010 174278511 193642790 211246680 232371348 253496016 290464185 309828464 316870020 348557022 387285580 422493360 464742696 580928370 633740040 697114044 774571160 871392555 929485392 1161856740 1267480080 1394228088 1549142320 1742785110 2323713480 2788456176 3485570220 4647426960 6971140440 13942280880