Search a number
-
+
16945000037 = 721791110929
BaseRepresentation
bin11111100100000000…
…00010111001100101
31121201221000012010222
433302000002321211
5234200410000122
611441234054125
71136625060320
oct176200027145
947657005128
1016945000037
117206013369
12334aa1a345
1317a07a7254
14b6a6837b7
15692960b42
hex3f2002e65

16945000037 has 8 divisors (see below), whose sum is σ = 19374619200. Its totient is φ = 14517607104.

The previous prime is 16944999983. The next prime is 16945000081. The reversal of 16945000037 is 73000054961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16945000037 - 210 = 16944999013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16944999970 and 16945000006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16944000037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540212 + ... + 570717.

It is an arithmetic number, because the mean of its divisors is an integer number (2421827400).

Almost surely, 216945000037 is an apocalyptic number.

It is an amenable number.

16945000037 is a deficient number, since it is larger than the sum of its proper divisors (2429619163).

16945000037 is a wasteful number, since it uses less digits than its factorization.

16945000037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113115.

The product of its (nonzero) digits is 22680, while the sum is 35.

Adding to 16945000037 its reverse (73000054961), we get a palindrome (89945054998).

The spelling of 16945000037 in words is "sixteen billion, nine hundred forty-five million, thirty-seven", and thus it is an aban number.

Divisors: 1 7 2179 15253 1110929 7776503 2420714291 16945000037