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128102073483 = 342700691161
BaseRepresentation
bin111011101001101111…
…0101000010010001011
3110020122122122120220010
41313103132220102023
54044323112322413
6134503240003003
712153326441616
oct1672336502213
9406578576803
10128102073483
114a36730a91a
12209b1160463
13c1069189a7
1462b33c117d
1534eb414dc3
hex1dd37a848b

128102073483 has 4 divisors (see below), whose sum is σ = 170802764648. Its totient is φ = 85401382320.

The previous prime is 128102073431. The next prime is 128102073493. The reversal of 128102073483 is 384370201821.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 128102073483 - 29 = 128102072971 is a prime.

It is the 357914-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128102073493) by changing a digit.

It is a nontrivial repunit in base 357913.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21350345578 + ... + 21350345583.

It is an arithmetic number, because the mean of its divisors is an integer number (42700691162).

Almost surely, 2128102073483 is an apocalyptic number.

128102073483 is a deficient number, since it is larger than the sum of its proper divisors (42700691165).

128102073483 is an equidigital number, since it uses as much as digits as its factorization.

128102073483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42700691164.

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 128102073483 in words is "one hundred twenty-eight billion, one hundred two million, seventy-three thousand, four hundred eighty-three".

Divisors: 1 3 42700691161 128102073483