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23132220000 = 25354385537
BaseRepresentation
bin10101100010110010…
…011010101001100000
32012201010100112022220
4111202302122221200
5334333322020000
614343215431040
71446144424431
oct254262325140
965633315286
1023132220000
1198a059829a
124596b25480
1322485a4256
1411962a9488
15905c2b1a0
hex562c9aa60

23132220000 has 120 divisors (see below), whose sum is σ = 75878504856. Its totient is φ = 6168576000.

The previous prime is 23132219951. The next prime is 23132220037. The reversal of 23132220000 is 2223132.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 132769 + ... + 252768.

Almost surely, 223132220000 is an apocalyptic number.

23132220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23132220000 is an abundant number, since it is smaller than the sum of its proper divisors (52746284856).

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

23132220000 is an equidigital number, since it uses as much as digits as its factorization.

23132220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385570 (or 385547 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 23132220000 its reverse (2223132), we get a palindrome (23134443132).

The spelling of 23132220000 in words is "twenty-three billion, one hundred thirty-two million, two hundred twenty thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 125 150 160 200 240 250 300 375 400 480 500 600 625 750 800 1000 1200 1250 1500 1875 2000 2400 2500 3000 3750 4000 5000 6000 7500 10000 12000 15000 20000 30000 60000 385537 771074 1156611 1542148 1927685 2313222 3084296 3855370 4626444 5783055 6168592 7710740 9252888 9638425 11566110 12337184 15421480 18505776 19276850 23132220 28915275 30842960 37011552 38553700 46264440 48192125 57830550 61685920 77107400 92528880 96384250 115661100 144576375 154214800 185057760 192768500 231322200 240960625 289152750 308429600 385537000 462644400 481921250 578305500 722881875 771074000 925288800 963842500 1156611000 1445763750 1542148000 1927685000 2313222000 2891527500 3855370000 4626444000 5783055000 7710740000 11566110000 23132220000