Search a number
-
+
40108506752 = 27378468857
BaseRepresentation
bin100101010110101001…
…110011111010000000
310211112020020020210002
4211112221303322000
51124120234204002
630231532255132
72616632453006
oct452651637200
9124466206702
1040108506752
111601222a846
1279343114a8
133a226b4042
141d26b74a76
15109b2bc002
hex956a73e80

40108506752 has 32 divisors (see below), whose sum is σ = 82063234020. Its totient is φ = 19512244224.

The previous prime is 40108506749. The next prime is 40108506761. The reversal of 40108506752 is 25760580104.

It can be written as a sum of positive squares in 2 ways, for example, as 39226179136 + 882327616 = 198056^2 + 29704^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4229693 + ... + 4239164.

Almost surely, 240108506752 is an apocalyptic number.

It is an amenable number.

40108506752 is an abundant number, since it is smaller than the sum of its proper divisors (41954727268).

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

40108506752 is an equidigital number, since it uses as much as digits as its factorization.

40108506752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8468908 (or 8468896 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 40108506752 in words is "forty billion, one hundred eight million, five hundred six thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 16 32 37 64 74 128 148 296 592 1184 2368 4736 8468857 16937714 33875428 67750856 135501712 271003424 313347709 542006848 626695418 1084013696 1253390836 2506781672 5013563344 10027126688 20054253376 40108506752