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1230132331100 = 2252193120885099
BaseRepresentation
bin10001111001101001100…
…110011100001001011100
311100121012001000010111102
4101321221212130021130
5130123302334043400
62341040501012232
7154605553201601
oct21715146341134
94317161003442
101230132331100
114347726a4472
1217a4a89b4078
138c00220361a
144377837c6a8
1521eea2539d5
hex11e6999c25c

1230132331100 has 72 divisors (see below), whose sum is σ = 2900522688000. Its totient is φ = 451118116800.

The previous prime is 1230132331091. The next prime is 1230132331117. The reversal of 1230132331100 is 11332310321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10383650 + ... + 10501449.

Almost surely, 21230132331100 is an apocalyptic number.

1230132331100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230132331100 is an abundant number, since it is smaller than the sum of its proper divisors (1670390356900).

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

1230132331100 is a wasteful number, since it uses less digits than its factorization.

1230132331100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20885163 (or 20885156 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1230132331100 its reverse (11332310321), we get a palindrome (1241464641421).

The spelling of 1230132331100 in words is "one trillion, two hundred thirty billion, one hundred thirty-two million, three hundred thirty-one thousand, one hundred".

Divisors: 1 2 4 5 10 19 20 25 31 38 50 62 76 95 100 124 155 190 310 380 475 589 620 775 950 1178 1550 1900 2356 2945 3100 5890 11780 14725 29450 58900 20885099 41770198 83540396 104425495 208850990 396816881 417701980 522127475 647438069 793633762 1044254950 1294876138 1587267524 1984084405 2088509900 2589752276 3237190345 3968168810 6474380690 7936337620 9920422025 12301323311 12948761380 16185951725 19840844050 24602646622 32371903450 39681688100 49205293244 61506616555 64743806900 123013233110 246026466220 307533082775 615066165550 1230132331100