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401234432087 is a prime number
BaseRepresentation
bin1011101011010110110…
…11111001000001010111
31102100122201101000110202
411311223123321001113
523033212003311322
6504154034211115
740662651254246
oct5655333710127
91370581330422
10401234432087
11145187416505
1265918723a9b
132bab42c9c28
14155c40d695d
15a684e86292
hex5d6b6f9057

401234432087 has 2 divisors, whose sum is σ = 401234432088. Its totient is φ = 401234432086.

The previous prime is 401234432083. The next prime is 401234432111. The reversal of 401234432087 is 780234432104.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401234432087 - 22 = 401234432083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 401234432087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401234432083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200617216043 + 200617216044.

It is an arithmetic number, because the mean of its divisors is an integer number (200617216044).

Almost surely, 2401234432087 is an apocalyptic number.

401234432087 is a deficient number, since it is larger than the sum of its proper divisors (1).

401234432087 is an equidigital number, since it uses as much as digits as its factorization.

401234432087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 38.

The spelling of 401234432087 in words is "four hundred one billion, two hundred thirty-four million, four hundred thirty-two thousand, eighty-seven".