Search a number
-
+
30906344412 = 22323147589231
BaseRepresentation
bin11100110010001010…
…010110001111011100
32221202220201222011200
4130302022112033130
51001244011010122
622110450115500
72142613410246
oct346212261734
987686658150
1030906344412
111211a909aa9
125ba657bb90
132bb70a0478
1416d2977096
15c0d4aa5ac
hex7322963dc

30906344412 has 72 divisors (see below), whose sum is σ = 82360492032. Its totient is φ = 9757648800.

The previous prime is 30906344407. The next prime is 30906344453. The reversal of 30906344412 is 21444360903.

It is a happy number.

30906344412 is a `hidden beast` number, since 3 + 0 + 9 + 0 + 634 + 4 + 4 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242164 + ... + 347067.

Almost surely, 230906344412 is an apocalyptic number.

It is an amenable number.

30906344412 is an abundant number, since it is smaller than the sum of its proper divisors (51454147620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30906344412 is a wasteful number, since it uses less digits than its factorization.

30906344412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589319 (or 589314 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 30906344412 in words is "thirty billion, nine hundred six million, three hundred forty-four thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 31 36 47 62 93 94 124 141 186 188 279 282 372 423 558 564 846 1116 1457 1692 2914 4371 5828 8742 13113 17484 26226 52452 589231 1178462 1767693 2356924 3535386 5303079 7070772 10606158 18266161 21212316 27693857 36532322 54798483 55387714 73064644 83081571 109596966 110775428 164395449 166163142 219193932 249244713 328790898 332326284 498489426 657581796 858509567 996978852 1717019134 2575528701 3434038268 5151057402 7726586103 10302114804 15453172206 30906344412