Search a number
-
+
40205410120 = 2351005135253
BaseRepresentation
bin100101011100011011…
…011101111101001000
310211202222120110012201
4211130123131331020
51124320041110440
630245313245544
72622220230061
oct453433357510
9124688513181
1040205410120
11160619a6777
1279608638b4
133a397b2205
141d3599b568
1510a4a5e19a
hex95c6ddf48

40205410120 has 16 divisors (see below), whose sum is σ = 90462172860. Its totient is φ = 16082164032.

The previous prime is 40205410099. The next prime is 40205410127. The reversal of 40205410120 is 2101450204.

It can be written as a sum of positive squares in 2 ways, for example, as 39850539876 + 354870244 = 199626^2 + 18838^2 .

It is not an unprimeable number, because it can be changed into a prime (40205410127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502567587 + ... + 502567666.

Almost surely, 240205410120 is an apocalyptic number.

40205410120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40205410120 is an abundant number, since it is smaller than the sum of its proper divisors (50256762740).

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

40205410120 is a wasteful number, since it uses less digits than its factorization.

40205410120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005135264 (or 1005135260 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 40205410120 its reverse (2101450204), we get a palindrome (42306860324).

The spelling of 40205410120 in words is "forty billion, two hundred five million, four hundred ten thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1005135253 2010270506 4020541012 5025676265 8041082024 10051352530 20102705060 40205410120