Search a number
-
+
402125104000000 = 21056138118199
BaseRepresentation
bin101101101101110110000101…
…1111110101010110000000000
31221201210210011220100122100101
41123123230023332222300000
5410201404203111000000
63543125420020532144
7150462402642612313
oct13333541376526000
91851723156318311
10402125104000000
11107147331912317
1239126657851054
131434c30853c414
147142d5d25497a
1531752e420ce6a
hex16dbb0bfaac00

402125104000000 has 308 divisors, whose sum is σ = 1005591870446800. Its totient is φ = 160724736000000.

The previous prime is 402125103999991. The next prime is 402125104000063. The reversal of 402125104000000 is 401521204.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 22095990901 + ... + 22096009099.

Almost surely, 2402125104000000 is an apocalyptic number.

402125104000000 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 402125104000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502795935223400).

402125104000000 is an abundant number, since it is smaller than the sum of its proper divisors (603466766446800).

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

402125104000000 is an frugal number, since it uses more digits than its factorization.

402125104000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19630 (or 19587 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 402125104000000 its reverse (401521204), we get a palindrome (402125505521204).

The spelling of 402125104000000 in words is "four hundred two trillion, one hundred twenty-five billion, one hundred four million", and thus it is an aban number.