Search a number
-
+
398338696189 = 72631669129641
BaseRepresentation
bin1011100101111101101…
…01100010001111111101
31102002011220112101121001
411302332311202033331
523011244201234224
6502554432410301
740531130023450
oct5627665421775
91362156471531
10398338696189
11143a3089a245
126524a9a6991
132b7423c0035
14153cb6b1497
15a565b3a544
hex5cbed623fd

398338696189 has 16 divisors (see below), whose sum is σ = 457252519680. Its totient is φ = 339928525440.

The previous prime is 398338696177. The next prime is 398338696213. The reversal of 398338696189 is 981696833893.

It is not a de Polignac number, because 398338696189 - 237 = 260899742717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398338696169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3007809 + ... + 3137449.

It is an arithmetic number, because the mean of its divisors is an integer number (28578282480).

Almost surely, 2398338696189 is an apocalyptic number.

It is an amenable number.

398338696189 is a deficient number, since it is larger than the sum of its proper divisors (58913823491).

398338696189 is a wasteful number, since it uses less digits than its factorization.

398338696189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131580.

The product of its digits is 362797056, while the sum is 73.

The spelling of 398338696189 in words is "three hundred ninety-eight billion, three hundred thirty-eight million, six hundred ninety-six thousand, one hundred eighty-nine".

Divisors: 1 7 263 1669 1841 11683 129641 438947 907487 3072629 34095583 216370829 238669081 1514595803 56905528027 398338696189