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128958123364 = 2272683963323
BaseRepresentation
bin111100000011010000…
…0001100110101100100
3110022212022110102120021
41320012200030311210
54103101234421424
6135124220044524
712213462651100
oct1700640146544
9408768412507
10128958123364
114a766553864
1220bab993744
13c212094895
146354d7a900
15354b65e4e4
hex1e0680cd64

128958123364 has 36 divisors (see below), whose sum is σ = 262906532784. Its totient is φ = 55186790736.

The previous prime is 128958123313. The next prime is 128958123383. The reversal of 128958123364 is 463321859821.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 347794 + ... + 615529.

It is an arithmetic number, because the mean of its divisors is an integer number (7302959244).

Almost surely, 2128958123364 is an apocalyptic number.

128958123364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

128958123364 is an abundant number, since it is smaller than the sum of its proper divisors (133948409420).

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

128958123364 is a wasteful number, since it uses less digits than its factorization.

128958123364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964024 (or 964015 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The spelling of 128958123364 in words is "one hundred twenty-eight billion, nine hundred fifty-eight million, one hundred twenty-three thousand, three hundred sixty-four".

Divisors: 1 2 4 7 14 28 49 98 196 683 1366 2732 4781 9562 19124 33467 66934 133868 963323 1926646 3853292 6743261 13486522 26973044 47202827 94405654 188811308 657949609 1315899218 2631798436 4605647263 9211294526 18422589052 32239530841 64479061682 128958123364