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122123430030 = 23572512316893
BaseRepresentation
bin111000110111100011…
…1111010100010001110
3102200012222210000220010
41301233013322202032
54000102044230110
6132034104534050
711552222012340
oct1615707724216
9380188700803
10122123430030
1147879546578
121b802a81326
13b6930b9944
145ca7371290
15329b5ea020
hex1c6f1fa88e

122123430030 has 64 divisors (see below), whose sum is σ = 336301797888. Its totient is φ = 27802704000.

The previous prime is 122123429983. The next prime is 122123430061. The reversal of 122123430030 is 30034321221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122123429979 and 122123430006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1105737 + ... + 1211156.

It is an arithmetic number, because the mean of its divisors is an integer number (5254715592).

Almost surely, 2122123430030 is an apocalyptic number.

122123430030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122123430030 is an abundant number, since it is smaller than the sum of its proper divisors (214178367858).

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

122123430030 is a wasteful number, since it uses less digits than its factorization.

122123430030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317161.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 122123430030 its reverse (30034321221), we get a palindrome (152157751251).

The spelling of 122123430030 in words is "one hundred twenty-two billion, one hundred twenty-three million, four hundred thirty thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 251 502 753 1255 1506 1757 2510 3514 3765 5271 7530 8785 10542 17570 26355 52710 2316893 4633786 6950679 11584465 13901358 16218251 23168930 32436502 34753395 48654753 69506790 81091255 97309506 162182510 243273765 486547530 581540143 1163080286 1744620429 2907700715 3489240858 4070781001 5815401430 8141562002 8723102145 12212343003 17446204290 20353905005 24424686006 40707810010 61061715015 122123430030