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20301400432 = 2423257214657
BaseRepresentation
bin10010111010000011…
…101100100101110000
31221101211122222220201
4102322003230211300
5313034124303212
613154253244544
71316042025235
oct227203544560
957354588821
1020301400432
11867867a695
123b26a93754
131bb6c75ca1
14da834178c
157dc454b57
hex4ba0ec970

20301400432 has 40 divisors (see below), whose sum is σ = 41204032416. Its totient is φ = 9671540736.

The previous prime is 20301400429. The next prime is 20301400433. The reversal of 20301400432 is 23400410302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301400433) 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, 12753 + ... + 201904.

Almost surely, 220301400432 is an apocalyptic number.

It is an amenable number.

20301400432 is an abundant number, since it is smaller than the sum of its proper divisors (20902631984).

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

20301400432 is a wasteful number, since it uses less digits than its factorization.

20301400432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214945 (or 214939 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20301400432 its reverse (23400410302), we get a palindrome (43701810734).

The spelling of 20301400432 in words is "twenty billion, three hundred one million, four hundred thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 23 46 92 184 257 368 514 1028 2056 4112 5911 11822 23644 47288 94576 214657 429314 858628 1717256 3434512 4937111 9874222 19748444 39496888 55166849 78993776 110333698 220667396 441334792 882669584 1268837527 2537675054 5075350108 10150700216 20301400432