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123379200000 = 2123455717
BaseRepresentation
bin111001011100111111…
…0010011000000000000
3102210110111201202110000
41302321332103000000
54010140033400000
6132402444240000
711625310616310
oct1627176230000
9383414652400
10123379200000
11483633840a1
121bab3540000
13b8333098b4
145d8605b440
1533219a0000
hex1cb9f93000

123379200000 has 1560 divisors, whose sum is σ = 557464257504. Its totient is φ = 26542080000.

The previous prime is 123379199969. The next prime is 123379200029. The reversal of 123379200000 is 2973321.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 7257599992 + ... + 7257600008.

Almost surely, 2123379200000 is an apocalyptic number.

123379200000 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 123379200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278732128752).

123379200000 is an abundant number, since it is smaller than the sum of its proper divisors (434085057504).

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

123379200000 is an frugal number, since it uses more digits than its factorization.

123379200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The spelling of 123379200000 in words is "one hundred twenty-three billion, three hundred seventy-nine million, two hundred thousand".