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1202320230100 = 2252111663657257
BaseRepresentation
bin10001011111101111110…
…111101100011011010100
311020221101202122000022121
4101133233313230123110
5124144322434330400
62320201023105324
7152602421222203
oct21375767543324
94227352560277
101202320230100
114239a0475330
12175026742244
13894bc1c3c22
144229a74123a
152141d75621a
hex117efdec6d4

1202320230100 has 72 divisors (see below), whose sum is σ = 2847935720448. Its totient is φ = 436943788800.

The previous prime is 1202320230043. The next prime is 1202320230103. The reversal of 1202320230100 is 10320232021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202320230103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1500672 + ... + 2157928.

It is an arithmetic number, because the mean of its divisors is an integer number (39554662784).

Almost surely, 21202320230100 is an apocalyptic number.

1202320230100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202320230100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1423967860224).

1202320230100 is an abundant number, since it is smaller than the sum of its proper divisors (1645615490348).

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

1202320230100 is a wasteful number, since it uses less digits than its factorization.

1202320230100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658945 (or 658938 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1202320230100 its reverse (10320232021), we get a palindrome (1212640462121).

The spelling of 1202320230100 in words is "one trillion, two hundred two billion, three hundred twenty million, two hundred thirty thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 1663 3326 6652 8315 16630 18293 33260 36586 41575 73172 83150 91465 166300 182930 365860 457325 657257 914650 1314514 1829300 2629028 3286285 6572570 7229827 13145140 14459654 16431425 28919308 32862850 36149135 65725700 72298270 144596540 180745675 361491350 722982700 1093018391 2186036782 4372073564 5465091955 10930183910 12023202301 21860367820 24046404602 27325459775 48092809204 54650919550 60116011505 109301839100 120232023010 240464046020 300580057525 601160115050 1202320230100