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128960712102 = 2341524230537
BaseRepresentation
bin111100000011010101…
…0000100110110100110
3110022212111022221122110
41320012222010312212
54103102420241402
6135124351341450
712213523652325
oct1700652046646
9408774287573
10128960712102
114a767a61812
1220bb0821886
13c21278cc91
1463554520bc
15354b9c156c
hex1e06a84da6

128960712102 has 16 divisors (see below), whose sum is σ = 264212191152. Its totient is φ = 41938442880.

The previous prime is 128960712053. The next prime is 128960712149. The reversal of 128960712102 is 201217069821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262115023 + ... + 262115514.

It is an arithmetic number, because the mean of its divisors is an integer number (16513261947).

Almost surely, 2128960712102 is an apocalyptic number.

128960712102 is an abundant number, since it is smaller than the sum of its proper divisors (135251479050).

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

128960712102 is a wasteful number, since it uses less digits than its factorization.

128960712102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524230583.

The product of its (nonzero) digits is 24192, while the sum is 39.

The spelling of 128960712102 in words is "one hundred twenty-eight billion, nine hundred sixty million, seven hundred twelve thousand, one hundred two".

Divisors: 1 2 3 6 41 82 123 246 524230537 1048461074 1572691611 3145383222 21493452017 42986904034 64480356051 128960712102