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123020032223220 = 223511186393988217
BaseRepresentation
bin11011111110001011010101…
…010100100010011111110100
3121010120121012120012200120220
4123332023111110202133310
5112111030011222120340
61113350342252254340
734624622036423346
oct3376132524423764
9533517176180526
10123020032223220
113621a559078770
121196a133a713b0
13538497c2073a2
1422542b6639296
15e3507787ced0
hex6fe2d55227f4

123020032223220 has 48 divisors (see below), whose sum is σ = 375770280247488. Its totient is φ = 29823038114560.

The previous prime is 123020032223213. The next prime is 123020032223237. The reversal of 123020032223220 is 22322230020321.

123020032223220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93196993449 + ... + 93196994768.

It is an arithmetic number, because the mean of its divisors is an integer number (7828547505156).

Almost surely, 2123020032223220 is an apocalyptic number.

123020032223220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123020032223220 is an abundant number, since it is smaller than the sum of its proper divisors (252750248024268).

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

123020032223220 is a wasteful number, since it uses less digits than its factorization.

123020032223220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186393988240 (or 186393988238 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 123020032223220 its reverse (22322230020321), we get a palindrome (145342262243541).

The spelling of 123020032223220 in words is "one hundred twenty-three trillion, twenty billion, thirty-two million, two hundred twenty-three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 186393988217 372787976434 559181964651 745575952868 931969941085 1118363929302 1863939882170 2050333870387 2236727858604 2795909823255 3727879764340 4100667740774 5591819646510 6151001611161 8201335481548 10251669351935 11183639293020 12302003222322 20503338703870 24604006444644 30755008055805 41006677407740 61510016111610 123020032223220