Search a number
-
+
894432422381 = 13716673916439
BaseRepresentation
bin11010000010000000101…
…00111010100111101101
310011111200112101211112212
431001000110322213231
5104123244200004011
61522521354540205
7121422604101551
oct15010024724755
93144615354485
10894432422381
1131536586a383
1212541b737665
1366463174394
143140dbbb861
15183ed85e08b
hexd04053a9ed

894432422381 has 8 divisors (see below), whose sum is σ = 901501824960. Its totient is φ = 887370856288.

The previous prime is 894432422371. The next prime is 894432422399. The reversal of 894432422381 is 183224234498.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-894432422381 is a prime.

It is a super-2 number, since 2×8944324223812 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (894432422371) 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, 1729841 + ... + 2186598.

It is an arithmetic number, because the mean of its divisors is an integer number (112687728120).

Almost surely, 2894432422381 is an apocalyptic number.

It is an amenable number.

894432422381 is a deficient number, since it is larger than the sum of its proper divisors (7069402579).

894432422381 is a wasteful number, since it uses less digits than its factorization.

894432422381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3918243.

The product of its digits is 2654208, while the sum is 50.

The spelling of 894432422381 in words is "eight hundred ninety-four billion, four hundred thirty-two million, four hundred twenty-two thousand, three hundred eighty-one".

Divisors: 1 137 1667 228379 3916439 536552143 6528703813 894432422381