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25430030043 = 3114716798179
BaseRepresentation
bin10111101011101111…
…110111011011011011
32102122021002101010120
4113223233313123123
5404040041430133
615403221444323
71560115455165
oct275357673333
972567071116
1025430030043
11a86a652a60
124b185706a3
132523660672
141333527935
159dc818ab3
hex5ebbf76db

25430030043 has 32 divisors (see below), whose sum is σ = 38002728960. Its totient is φ = 14993744160.

The previous prime is 25430029997. The next prime is 25430030047. The reversal of 25430030043 is 34003003452.

It is not a de Polignac number, because 25430030043 - 214 = 25430013659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25430029995 and 25430030022.

It is not an unprimeable number, because it can be changed into a prime (25430030047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209928 + ... + 308106.

It is an arithmetic number, because the mean of its divisors is an integer number (1187585280).

Almost surely, 225430030043 is an apocalyptic number.

25430030043 is a deficient number, since it is larger than the sum of its proper divisors (12572698917).

25430030043 is a wasteful number, since it uses less digits than its factorization.

25430030043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98407.

The product of its (nonzero) digits is 4320, while the sum is 24.

Adding to 25430030043 its reverse (34003003452), we get a palindrome (59433033495).

The spelling of 25430030043 in words is "twenty-five billion, four hundred thirty million, thirty thousand, forty-three".

Divisors: 1 3 11 33 47 141 167 501 517 1551 1837 5511 7849 23547 86339 98179 259017 294537 1079969 3239907 4614413 13843239 16395893 49187679 50758543 152275629 180354823 541064469 770606971 2311820913 8476676681 25430030043