Search a number
-
+
15252775138900 = 22521311732903953
BaseRepresentation
bin1101110111110101000000…
…1111100111011001010100
32000000011002010100220021001
43131331100033213121110
53444400140413421100
652235010030033044
73132655662341245
oct335752017473124
960004063326231
1015252775138900
114950735a21752
12186410b648784
1386843b2129a0
143aa349ab8ccc
151b6b5de06d6a
hexddf503e7654

15252775138900 has 36 divisors (see below), whose sum is σ = 35644562212252. Its totient is φ = 5631793896960.

The previous prime is 15252775138873. The next prime is 15252775138981. The reversal of 15252775138900 is 983157725251.

It can be written as a sum of positive squares in 6 ways, for example, as 3290349300624 + 11962425838276 = 1813932^2 + 3458674^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5866450677 + ... + 5866453276.

Almost surely, 215252775138900 is an apocalyptic number.

15252775138900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15252775138900 is an abundant number, since it is smaller than the sum of its proper divisors (20391787073352).

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

15252775138900 is a wasteful number, since it uses less digits than its factorization.

15252775138900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11732903980 (or 11732903973 counting only the distinct ones).

The product of its (nonzero) digits is 5292000, while the sum is 55.

The spelling of 15252775138900 in words is "fifteen trillion, two hundred fifty-two billion, seven hundred seventy-five million, one hundred thirty-eight thousand, nine hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 1300 11732903953 23465807906 46931615812 58664519765 117329039530 152527751389 234658079060 293322598825 305055502778 586645197650 610111005556 762638756945 1173290395300 1525277513890 3050555027780 3813193784725 7626387569450 15252775138900