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30432212010 = 2325338135689
BaseRepresentation
bin11100010101111001…
…101011010000101010
32220112212120112210100
4130111321223100222
5444311121241020
621551431530230
72125065351114
oct342571532052
986485515710
1030432212010
11119a7210342
125a93829976
132b3caa4455
1416899d63b4
15bd1a51a90
hex715e6b42a

30432212010 has 24 divisors (see below), whose sum is σ = 79123751460. Its totient is φ = 8115256512.

The previous prime is 30432211939. The next prime is 30432212021. The reversal of 30432212010 is 1021223403.

30432212010 is a `hidden beast` number, since 30 + 432 + 2 + 1 + 201 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 29877468201 + 554743809 = 172851^2 + 23553^2 .

It is a super-2 number, since 2×304322120102 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169067755 + ... + 169067934.

Almost surely, 230432212010 is an apocalyptic number.

30432212010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30432212010 is an abundant number, since it is smaller than the sum of its proper divisors (48691539450).

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

30432212010 is a wasteful number, since it uses less digits than its factorization.

30432212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338135702 (or 338135699 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30432212010 its reverse (1021223403), we get a palindrome (31453435413).

The spelling of 30432212010 in words is "thirty billion, four hundred thirty-two million, two hundred twelve thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 338135689 676271378 1014407067 1690678445 2028814134 3043221201 3381356890 5072035335 6086442402 10144070670 15216106005 30432212010