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40215880814 = 2196521162293
BaseRepresentation
bin100101011101000011…
…011010010001101110
310211210201021102022012
4211131003122101232
51124330231141224
630250325521222
72622405226634
oct453503322156
9124721242265
1040215880814
11160678a853a
127964273212
133a3ba0a0a5
141d37125354
1510a592b80e
hex95d0da46e

40215880814 has 16 divisors (see below), whose sum is σ = 63508888080. Its totient is φ = 19046589120.

The previous prime is 40215880813. The next prime is 40215880889. The reversal of 40215880814 is 41808851204.

40215880814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40215880813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166652 + ... + 328944.

It is an arithmetic number, because the mean of its divisors is an integer number (3969305505).

Almost surely, 240215880814 is an apocalyptic number.

40215880814 is a deficient number, since it is larger than the sum of its proper divisors (23293007266).

40215880814 is a wasteful number, since it uses less digits than its factorization.

40215880814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168835.

The product of its (nonzero) digits is 81920, while the sum is 41.

The spelling of 40215880814 in words is "forty billion, two hundred fifteen million, eight hundred eighty thousand, eight hundred fourteen".

Divisors: 1 2 19 38 6521 13042 123899 162293 247798 324586 3083567 6167134 1058312653 2116625306 20107940407 40215880814