Search a number
-
+
470400186489 = 31012089743167
BaseRepresentation
bin1101101100001100000…
…10010011100001111001
31122222011222221101112020
412312012002103201321
530201334421431424
61000033204305053
745661645420062
oct6660602234171
91588158841466
10470400186489
1117154a707502
12772000a2189
133548796111c
1418aa5dcb569
15c382208079
hex6d86093879

470400186489 has 16 divisors (see below), whose sum is σ = 633714216960. Its totient is φ = 310346121600.

The previous prime is 470400186467. The next prime is 470400186547. The reversal of 470400186489 is 984681004074.

It is a de Polignac number, because none of the positive numbers 2k-470400186489 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (470400186409) 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, 261384 + ... + 1004550.

It is an arithmetic number, because the mean of its divisors is an integer number (39607138560).

Almost surely, 2470400186489 is an apocalyptic number.

It is an amenable number.

470400186489 is a deficient number, since it is larger than the sum of its proper divisors (163314030471).

470400186489 is a wasteful number, since it uses less digits than its factorization.

470400186489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745360.

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 470400186489 in words is "four hundred seventy billion, four hundred million, one hundred eighty-six thousand, four hundred eighty-nine".

Divisors: 1 3 101 303 2089 6267 210989 632967 743167 2229501 75059867 225179601 1552475863 4657427589 156800062163 470400186489