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123238980096 = 293499160789
BaseRepresentation
bin111001011000110011…
…1011001101000000000
3102210002201212211220020
41302301213121220000
54004343134330341
6132340515013440
711621656022031
oct1626147315000
9383081784806
10123238980096
11482a1211881
121ba7459a280
13b81025343b
145d7159aa88
153314503566
hex1cb19d9a00

123238980096 has 80 divisors (see below), whose sum is σ = 328976340000. Its totient is φ = 40997081088.

The previous prime is 123238980091. The next prime is 123238980097. The reversal of 123238980096 is 690089832321.

It is not an unprimeable number, because it can be changed into a prime (123238980091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686070 + ... + 846858.

It is an arithmetic number, because the mean of its divisors is an integer number (4112204250).

Almost surely, 2123238980096 is an apocalyptic number.

123238980096 is a gapful number since it is divisible by the number (16) 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 123238980096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164488170000).

123238980096 is an abundant number, since it is smaller than the sum of its proper divisors (205737359904).

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

123238980096 is an equidigital number, since it uses as much as digits as its factorization.

123238980096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161309 (or 161293 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 51.

The spelling of 123238980096 in words is "one hundred twenty-three billion, two hundred thirty-eight million, nine hundred eighty thousand, ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 499 512 768 998 1497 1536 1996 2994 3992 5988 7984 11976 15968 23952 31936 47904 63872 95808 127744 160789 191616 255488 321578 383232 482367 643156 766464 964734 1286312 1929468 2572624 3858936 5145248 7717872 10290496 15435744 20580992 30871488 41161984 61742976 80233711 82323968 123485952 160467422 240701133 246971904 320934844 481402266 641869688 962804532 1283739376 1925609064 2567478752 3851218128 5134957504 7702436256 10269915008 15404872512 20539830016 30809745024 41079660032 61619490048 123238980096