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1970642206 = 213181418751
BaseRepresentation
bin111010101110101…
…1001110100011110
312002100002222220101
41311131121310132
513013441022311
6523313411314
766556116361
oct16535316436
95070088811
101970642206
11921415725
1246bb69b3a
132553687a0
14149a160d8
15b8013ec1
hex75759d1e

1970642206 has 16 divisors (see below), whose sum is σ = 3200940288. Its totient is φ = 904500000.

The previous prime is 1970642173. The next prime is 1970642207. The reversal of 1970642206 is 6022460791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1970642207) 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 in 7 ways as a sum of consecutive naturals, for example, 204670 + ... + 214081.

It is an arithmetic number, because the mean of its divisors is an integer number (200058768).

Almost surely, 21970642206 is an apocalyptic number.

1970642206 is a deficient number, since it is larger than the sum of its proper divisors (1230298082).

1970642206 is a wasteful number, since it uses less digits than its factorization.

1970642206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418947.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 1970642206 is about 44391.9159982986. The cubic root of 1970642206 is about 1253.7258871244.

The spelling of 1970642206 in words is "one billion, nine hundred seventy million, six hundred forty-two thousand, two hundred six".

Divisors: 1 2 13 26 181 362 2353 4706 418751 837502 5443763 10887526 75793931 151587862 985321103 1970642206