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100323032240 = 2451677509209
BaseRepresentation
bin101110101101110110…
…1111111110010110000
3100120221200111002011202
41131123231333302300
53120430144012430
6114030542430332
710151045463314
oct1353355776260
9316850432152
10100323032240
1139601810aa2
1217539b923a8
1395ca712b92
144bd9d0bb44
152922797d45
hex175bb7fcb0

100323032240 has 40 divisors (see below), whose sum is σ = 234647794080. Its totient is φ = 39888912896.

The previous prime is 100323032233. The next prime is 100323032281. The reversal of 100323032240 is 42230323001.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3741245 + ... + 3767964.

It is an arithmetic number, because the mean of its divisors is an integer number (5866194852).

Almost surely, 2100323032240 is an apocalyptic number.

100323032240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100323032240 is an abundant number, since it is smaller than the sum of its proper divisors (134324761840).

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

100323032240 is a wasteful number, since it uses less digits than its factorization.

100323032240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7509389 (or 7509383 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 100323032240 its reverse (42230323001), we get a palindrome (142553355241).

The spelling of 100323032240 in words is "one hundred billion, three hundred twenty-three million, thirty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 167 334 668 835 1336 1670 2672 3340 6680 13360 7509209 15018418 30036836 37546045 60073672 75092090 120147344 150184180 300368360 600736720 1254037903 2508075806 5016151612 6270189515 10032303224 12540379030 20064606448 25080758060 50161516120 100323032240