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32139106080 = 253566956471
BaseRepresentation
bin11101111011101000…
…111101011100100000
310001221211101202021020
4131323220331130200
51011310102343310
622433044325440
72215302615504
oct357350753440
9101854352236
1032139106080
11126a27620a4
12628b3a3880
1330525c5943
1417ac594304
15c81818170
hex77ba3d720

32139106080 has 48 divisors (see below), whose sum is σ = 101238185664. Its totient is φ = 8570428160.

The previous prime is 32139106063. The next prime is 32139106123. The reversal of 32139106080 is 8060193123.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33477756 + ... + 33478715.

It is an arithmetic number, because the mean of its divisors is an integer number (2109128868).

Almost surely, 232139106080 is an apocalyptic number.

32139106080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32139106080 is an abundant number, since it is smaller than the sum of its proper divisors (69099079584).

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

32139106080 is a wasteful number, since it uses less digits than its factorization.

32139106080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66956489 (or 66956481 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 32139106080 in words is "thirty-two billion, one hundred thirty-nine million, one hundred six thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 66956471 133912942 200869413 267825884 334782355 401738826 535651768 669564710 803477652 1004347065 1071303536 1339129420 1606955304 2008694130 2142607072 2678258840 3213910608 4017388260 5356517680 6427821216 8034776520 10713035360 16069553040 32139106080