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128328155202 = 23135927885301
BaseRepresentation
bin111011110000011110…
…1000100000001000010
3110021020102001201201010
41313200331010001002
54100304001431302
6134541513421350
712162043215162
oct1674075040102
9407212051633
10128328155202
114a472997415
1220a54a0a856
13c141705660
1462d54325a2
1535111c216c
hex1de0f44042

128328155202 has 32 divisors (see below), whose sum is σ = 281083844160. Its totient is φ = 38816337600.

The previous prime is 128328155201. The next prime is 128328155251. The reversal of 128328155202 is 202551823821.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (128328155201) 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, 13938049 + ... + 13947252.

It is an arithmetic number, because the mean of its divisors is an integer number (8783870130).

Almost surely, 2128328155202 is an apocalyptic number.

128328155202 is an abundant number, since it is smaller than the sum of its proper divisors (152755688958).

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

128328155202 is a wasteful number, since it uses less digits than its factorization.

128328155202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27885378.

The product of its (nonzero) digits is 76800, while the sum is 39.

The spelling of 128328155202 in words is "one hundred twenty-eight billion, three hundred twenty-eight million, one hundred fifty-five thousand, two hundred two".

Divisors: 1 2 3 6 13 26 39 59 78 118 177 354 767 1534 2301 4602 27885301 55770602 83655903 167311806 362508913 725017826 1087526739 1645232759 2175053478 3290465518 4935698277 9871396554 21388025867 42776051734 64164077601 128328155202