Search a number
-
+
72881040150 = 23252612655047
BaseRepresentation
bin100001111100000001…
…1000110101100010110
320222010012112102222100
41003320003012230112
52143230021241100
653251525342530
75160026422422
oct1037003065426
9228105472870
1072881040150
11289aa4a1196
121215b867a46
136b462aa539
1437554d3b82
151d68507400
hex10f80c6b16

72881040150 has 72 divisors (see below), whose sum is σ = 199017087984. Its totient is φ = 19116331200.

The previous prime is 72881040137. The next prime is 72881040209. The reversal of 72881040150 is 5104018827.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1300074 + ... + 1354973.

It is an arithmetic number, because the mean of its divisors is an integer number (2764126222).

Almost surely, 272881040150 is an apocalyptic number.

72881040150 is an abundant number, since it is smaller than the sum of its proper divisors (126136047834).

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

72881040150 is a wasteful number, since it uses less digits than its factorization.

72881040150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655126 (or 2655118 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

Adding to 72881040150 its reverse (5104018827), we get a palindrome (77985058977).

The spelling of 72881040150 in words is "seventy-two billion, eight hundred eighty-one million, forty thousand, one hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 61 75 90 122 150 183 225 305 366 450 549 610 915 1098 1525 1830 2745 3050 4575 5490 9150 13725 27450 2655047 5310094 7965141 13275235 15930282 23895423 26550470 39825705 47790846 66376175 79651410 119477115 132752350 161957867 199128525 238954230 323915734 398257050 485873601 597385575 809789335 971747202 1194771150 1457620803 1619578670 2429368005 2915241606 4048946675 4858736010 7288104015 8097893350 12146840025 14576208030 24293680050 36440520075 72881040150