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130020103123221 = 3431894753196167
BaseRepresentation
bin11101100100000010101010…
…000011110111000100010101
3122001100210121112120202111010
4131210002222003313010111
5114020222132344420341
61140310224421402433
736246433235346243
oct3544025203670425
9561323545522433
10130020103123221
1138479241661253
12126ba925569419
135771ac642807c
142417014049793
1510071c43d4716
hex7640aa0f7115

130020103123221 has 16 divisors (see below), whose sum is σ = 177401134462464. Its totient is φ = 84659783127024.

The previous prime is 130020103123219. The next prime is 130020103123237. The reversal of 130020103123221 is 122321301020031.

It is not a de Polignac number, because 130020103123221 - 21 = 130020103123219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130020103123021) 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, 24153921 + ... + 29042246.

It is an arithmetic number, because the mean of its divisors is an integer number (11087570903904).

Almost surely, 2130020103123221 is an apocalyptic number.

It is an amenable number.

130020103123221 is a deficient number, since it is larger than the sum of its proper divisors (47381031339243).

130020103123221 is a wasteful number, since it uses less digits than its factorization.

130020103123221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53215160.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 130020103123221 its reverse (122321301020031), we get a palindrome (252341404143252).

The spelling of 130020103123221 in words is "one hundred thirty trillion, twenty billion, one hundred three million, one hundred twenty-three thousand, two hundred twenty-one".

Divisors: 1 3 43 129 18947 56841 814721 2444163 53196167 159588501 2287435181 6862305543 1007907776149 3023723328447 43340034374407 130020103123221