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130220031132 = 22332352423523
BaseRepresentation
bin111100101000110110…
…1111111110010011100
3110110010020221222121000
41321101231333302130
54113142311444012
6135453335110300
712256655000352
oct1712155776234
9413106858530
10130220031132
11502538a3844
12212a2512390
13c383653479
1464347c37d2
1535c2327ddc
hex1e51b7fc9c

130220031132 has 48 divisors (see below), whose sum is σ = 352286081280. Its totient is φ = 41519429424.

The previous prime is 130220031119. The next prime is 130220031157. The reversal of 130220031132 is 231130022031.

130220031132 is a `hidden beast` number, since 1 + 302 + 20 + 0 + 311 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26209278 + ... + 26214245.

It is an arithmetic number, because the mean of its divisors is an integer number (7339293360).

Almost surely, 2130220031132 is an apocalyptic number.

130220031132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130220031132 is an abundant number, since it is smaller than the sum of its proper divisors (222066050148).

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

130220031132 is a wasteful number, since it uses less digits than its factorization.

130220031132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52423559 (or 52423551 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 130220031132 its reverse (231130022031), we get a palindrome (361350053163).

The spelling of 130220031132 in words is "one hundred thirty billion, two hundred twenty million, thirty-one thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 23 27 36 46 54 69 92 108 138 207 276 414 621 828 1242 2484 52423523 104847046 157270569 209694092 314541138 471811707 629082276 943623414 1205741029 1415435121 1887246828 2411482058 2830870242 3617223087 4822964116 5661740484 7234446174 10851669261 14468892348 21703338522 32555007783 43406677044 65110015566 130220031132