Search a number
-
+
886997211381 = 322319921532717
BaseRepresentation
bin11001110100001010010…
…01110101100011110101
310010210111100201222111200
430322011021311203311
5104013032241231011
61515251512323113
7121040421616551
oct14720511654365
93123440658450
10886997211381
1131219a8902a6
12123aa56a3499
136584994c048
1430d06532861
1518115c28856
hexce852758f5

886997211381 has 24 divisors (see below), whose sum is σ = 1343641603200. Its totient is φ = 562779065376.

The previous prime is 886997211379. The next prime is 886997211389. The reversal of 886997211381 is 183112799688.

It is not a de Polignac number, because 886997211381 - 21 = 886997211379 is a prime.

It is a super-2 number, since 2×8869972113812 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (886997211389) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10725166 + ... + 10807551.

It is an arithmetic number, because the mean of its divisors is an integer number (55985066800).

Almost surely, 2886997211381 is an apocalyptic number.

It is an amenable number.

886997211381 is a deficient number, since it is larger than the sum of its proper divisors (456644391819).

886997211381 is a wasteful number, since it uses less digits than its factorization.

886997211381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21532945 (or 21532942 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 63.

The spelling of 886997211381 in words is "eight hundred eighty-six billion, nine hundred ninety-seven million, two hundred eleven thousand, three hundred eighty-one".

Divisors: 1 3 9 23 69 199 207 597 1791 4577 13731 41193 21532717 64598151 193794453 495252491 1485757473 4285010683 4457272419 12855032049 38565096147 98555245709 295665737127 886997211381