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2006157983 is a prime number
BaseRepresentation
bin111011110010011…
…1000101010011111
312011210221101101112
41313210320222133
513102034023413
6531022532235
7100500030044
oct16744705237
95153841345
102006157983
1193a473205
1247ba3707b
1325c82223b
1415061d1cb
15bb1cc2a8
hex77938a9f

2006157983 has 2 divisors, whose sum is σ = 2006157984. Its totient is φ = 2006157982.

The previous prime is 2006157953. The next prime is 2006158001. The reversal of 2006157983 is 3897516002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2006157983 - 218 = 2005895839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2006157983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2006157953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003078991 + 1003078992.

It is an arithmetic number, because the mean of its divisors is an integer number (1003078992).

Almost surely, 22006157983 is an apocalyptic number.

2006157983 is a deficient number, since it is larger than the sum of its proper divisors (1).

2006157983 is an equidigital number, since it uses as much as digits as its factorization.

2006157983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 2006157983 is about 44790.1549785218. The cubic root of 2006157983 is about 1261.2128204182.

The spelling of 2006157983 in words is "two billion, six million, one hundred fifty-seven thousand, nine hundred eighty-three".