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128969567083 = 790794121587
BaseRepresentation
bin111100000011100101…
…1110110101101101011
3110022220002222211101201
41320013023312231223
54103112202121313
6135125305225031
712213662142520
oct1700713665553
9408802884351
10128969567083
114a771a5a685
1220bb3792177
13c214570606
1463566b9147
15354c6700dd
hex1e072f6b6b

128969567083 has 16 divisors (see below), whose sum is σ = 147719948544. Its totient is φ = 110301006240.

The previous prime is 128969567059. The next prime is 128969567087. The reversal of 128969567083 is 380765969821.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-128969567083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128969567087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5963616 + ... + 5985202.

It is an arithmetic number, because the mean of its divisors is an integer number (9232496784).

Almost surely, 2128969567083 is an apocalyptic number.

128969567083 is a deficient number, since it is larger than the sum of its proper divisors (18750381461).

128969567083 is an equidigital number, since it uses as much as digits as its factorization.

128969567083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23442.

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 128969567083 in words is "one hundred twenty-eight billion, nine hundred sixty-nine million, five hundred sixty-seven thousand, eighty-three".

Divisors: 1 7 907 941 6349 6587 21587 151109 853487 5974409 19579409 20313367 137055863 142193569 18424223869 128969567083