Search a number
-
+
6420010712 = 23802501339
BaseRepresentation
bin1011111101010100…
…11001011011011000
3121120102101100001112
411332222121123120
5101122010320322
62541015035452
7315044122253
oct57652313330
917512340045
106420010712
1127a4a24085
1212b206bb88
137b40c560b
1444c90209a
152789505e2
hex17ea996d8

6420010712 has 8 divisors (see below), whose sum is σ = 12037520100. Its totient is φ = 3210005352.

The previous prime is 6420010699. The next prime is 6420010733. The reversal of 6420010712 is 2170100246.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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, 401250662 + ... + 401250677.

Almost surely, 26420010712 is an apocalyptic number.

It is an amenable number.

6420010712 is a deficient number, since it is larger than the sum of its proper divisors (5617509388).

6420010712 is a wasteful number, since it uses less digits than its factorization.

6420010712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802501345 (or 802501341 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 6420010712 is about 80124.9693416478. The cubic root of 6420010712 is about 1858.5685513991.

Adding to 6420010712 its reverse (2170100246), we get a palindrome (8590110958).

The spelling of 6420010712 in words is "six billion, four hundred twenty million, ten thousand, seven hundred twelve".

Divisors: 1 2 4 8 802501339 1605002678 3210005356 6420010712