Search a number
-
+
128092892080 = 2454139052711
BaseRepresentation
bin111011101001011101…
…1100110101110110000
3110020122000101010101011
41313102323212232300
54044313240021310
6134502311120304
712153155421646
oct1672273465660
9406560333334
10128092892080
114a36210978a
12209aa073094
13c104a528ca
1462b20b1196
1534ea6ee78a
hex1dd2ee6bb0

128092892080 has 40 divisors (see below), whose sum is σ = 305079786144. Its totient is φ = 49987468800.

The previous prime is 128092892077. The next prime is 128092892141. The reversal of 128092892080 is 80298290821.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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, 19523076 + ... + 19529635.

Almost surely, 2128092892080 is an apocalyptic number.

128092892080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128092892080 is an abundant number, since it is smaller than the sum of its proper divisors (176986894064).

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

128092892080 is a wasteful number, since it uses less digits than its factorization.

128092892080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39052765 (or 39052759 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 49.

The spelling of 128092892080 in words is "one hundred twenty-eight billion, ninety-two million, eight hundred ninety-two thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 41 80 82 164 205 328 410 656 820 1640 3280 39052711 78105422 156210844 195263555 312421688 390527110 624843376 781054220 1562108440 1601161151 3124216880 3202322302 6404644604 8005805755 12809289208 16011611510 25618578416 32023223020 64046446040 128092892080