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20150240325 = 35217910331453
BaseRepresentation
bin10010110001000011…
…000100010001000101
31221000022020021020020
4102301003010101011
5312231430142300
613131253325353
71312225134225
oct226103042105
957008207206
1020150240325
118600315886
123aa4336859
131b9185c037
14d92234085
157ce0468a0
hex4b10c4445

20150240325 has 48 divisors (see below), whose sum is σ = 33556691520. Its totient is φ = 10669063680.

The previous prime is 20150240309. The next prime is 20150240339. The reversal of 20150240325 is 52304205102.

It is not a de Polignac number, because 20150240325 - 24 = 20150240309 is a prime.

It is a super-2 number, since 2×201502403252 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20150240295 and 20150240304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13867299 + ... + 13868751.

It is an arithmetic number, because the mean of its divisors is an integer number (699097740).

Almost surely, 220150240325 is an apocalyptic number.

20150240325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20150240325 is a deficient number, since it is larger than the sum of its proper divisors (13406451195).

20150240325 is a wasteful number, since it uses less digits than its factorization.

20150240325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678 (or 2673 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 20150240325 its reverse (52304205102), we get a palindrome (72454445427).

The spelling of 20150240325 in words is "twenty billion, one hundred fifty million, two hundred forty thousand, three hundred twenty-five".

Divisors: 1 3 5 15 25 75 179 537 895 1033 1453 2685 3099 4359 4475 5165 7265 13425 15495 21795 25825 36325 77475 108975 184907 260087 554721 780261 924535 1300435 1500949 2773605 3901305 4502847 4622675 6502175 7504745 13868025 19506525 22514235 37523725 112571175 268669871 806009613 1343349355 4030048065 6716746775 20150240325