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15255130140 = 223459416747
BaseRepresentation
bin11100011010100011…
…01101000000011100
31110101011012220110000
432031101231000130
5222220303131030
611001430214300
71050015316035
oct161521550034
943334186400
1015255130140
11651913a078
122b58ab4390
131591666833
14a4a077a8c
155e440d860
hex38d46d01c

15255130140 has 60 divisors (see below), whose sum is σ = 47855913336. Its totient is φ = 4068034272.

The previous prime is 15255130133. The next prime is 15255130171. The reversal of 15255130140 is 4103155251.

15255130140 is a `hidden beast` number, since 1 + 5 + 2 + 5 + 513 + 0 + 140 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4706754 + ... + 4709993.

Almost surely, 215255130140 is an apocalyptic number.

15255130140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15255130140 is an abundant number, since it is smaller than the sum of its proper divisors (32600783196).

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

15255130140 is a wasteful number, since it uses less digits than its factorization.

15255130140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9416768 (or 9416757 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 15255130140 its reverse (4103155251), we get a palindrome (19358285391).

The spelling of 15255130140 in words is "fifteen billion, two hundred fifty-five million, one hundred thirty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 270 324 405 540 810 1620 9416747 18833494 28250241 37666988 47083735 56500482 84750723 94167470 113000964 141251205 169501446 188334940 254252169 282502410 339002892 423753615 508504338 565004820 762756507 847507230 1017008676 1271260845 1525513014 1695014460 2542521690 3051026028 3813782535 5085043380 7627565070 15255130140