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15500106006 = 23721129241139
BaseRepresentation
bin11100110111110000…
…01101100100010110
31111000020011222011020
432123320031210112
5223221011343011
611042021022010
71056051504300
oct163370154426
944006158136
1015500106006
116634451070
123006b54906
13160033a478
14a70806970
1560ab9e006
hex39be0d916

15500106006 has 288 divisors, whose sum is σ = 42037107840. Its totient is φ = 3765081600.

The previous prime is 15500105947. The next prime is 15500106029. The reversal of 15500106006 is 60060100551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 111511485 + ... + 111511623.

It is an arithmetic number, because the mean of its divisors is an integer number (145962180).

Almost surely, 215500106006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15500106006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21018553920).

15500106006 is an abundant number, since it is smaller than the sum of its proper divisors (26537001834).

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

15500106006 is a wasteful number, since it uses less digits than its factorization.

15500106006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 15500106006 its reverse (60060100551), we get a palindrome (75560206557).

The spelling of 15500106006 in words is "fifteen billion, five hundred million, one hundred six thousand, six".