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100143027840 = 2735374789337
BaseRepresentation
bin101110101000011111…
…1010101011010000000
3100120111010202220120010
41131100333111122000
53120043103342330
6114001032344520
710143431456202
oct1352077253200
9316433686503
10100143027840
113951a146029
12174a9845140
13959c339cbb
144bc0052772
152911a8d3b0
hex1750fd5680

100143027840 has 512 divisors, whose sum is σ = 339574809600. Its totient is φ = 25069879296.

The previous prime is 100143027839. The next prime is 100143027869. The reversal of 100143027840 is 48720341001.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 100143027798 and 100143027807.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 297160152 + ... + 297160488.

It is an arithmetic number, because the mean of its divisors is an integer number (663232050).

Almost surely, 2100143027840 is an apocalyptic number.

100143027840 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 100143027840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169787404800).

100143027840 is an abundant number, since it is smaller than the sum of its proper divisors (239431781760).

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

100143027840 is a wasteful number, since it uses less digits than its factorization.

100143027840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

Adding to 100143027840 its reverse (48720341001), we get a palindrome (148863368841).

The spelling of 100143027840 in words is "one hundred billion, one hundred forty-three million, twenty-seven thousand, eight hundred forty".