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40050660261 = 3611311670657
BaseRepresentation
bin100101010011001101…
…001001001110100101
310211101012101100022110
4211103031021032211
51124010432112021
630222104351233
72615330665233
oct452315111645
9124335340273
1040050660261
1115a9260a927
127918a75519
133a1370c351
141d1d1d7953
151096192476
hex9533493a5

40050660261 has 16 divisors (see below), whose sum is σ = 54690660288. Its totient is φ = 26062233600.

The previous prime is 40050660239. The next prime is 40050660269. The reversal of 40050660261 is 16206605004.

It is not a de Polignac number, because 40050660261 - 29 = 40050659749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40050660269) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 811356 + ... + 859301.

It is an arithmetic number, because the mean of its divisors is an integer number (3418166268).

Almost surely, 240050660261 is an apocalyptic number.

It is an amenable number.

40050660261 is a deficient number, since it is larger than the sum of its proper divisors (14640000027).

40050660261 is a wasteful number, since it uses less digits than its factorization.

40050660261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670852.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 40050660261 in words is "forty billion, fifty million, six hundred sixty thousand, two hundred sixty-one".

Divisors: 1 3 61 131 183 393 7991 23973 1670657 5011971 101910077 218856067 305730231 656568201 13350220087 40050660261