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402123304000000 = 29561117389691
BaseRepresentation
bin101101101101110101010000…
…0101100001101101000000000
31221201210121112110100011112201
41123123222200230031220000
5410201342011311000000
63543124521240402544
7150462310225065022
oct13333524054155000
91851717473304481
10402123304000000
11107146598858710
1239126234a76454
131434c0ac64c36b
147142c2c17c012
15317523b1a496a
hex16dbaa0b0da00

402123304000000 has 1120 divisors, whose sum is σ = 1164728135039040. Its totient is φ = 137072640000000.

The previous prime is 402123303999973. The next prime is 402123304000027. The reversal of 402123304000000 is 403321204.

It is an interprime number because it is at equal distance from previous prime (402123303999973) and next prime (402123304000027).

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 581943999655 + ... + 581944000345.

Almost surely, 2402123304000000 is an apocalyptic number.

402123304000000 is a gapful number since it is divisible by the number (40) 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 402123304000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582364067519520).

402123304000000 is an abundant number, since it is smaller than the sum of its proper divisors (762604831039040).

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

402123304000000 is an frugal number, since it uses more digits than its factorization.

402123304000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156 (or 1115 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 402123304000000 its reverse (403321204), we get a palindrome (402123707321204).

The spelling of 402123304000000 in words is "four hundred two trillion, one hundred twenty-three billion, three hundred four million", and thus it is an aban number.