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4540312500 = 2235729167
BaseRepresentation
bin1000011101001111…
…11010101110110100
3102201102101202212020
410032213322232310
533244310000000
62030310353140
7220341006453
oct41647725664
912642352766
104540312500
111a1a984a89
12a6865b7b0
1357484c659
14311000b9a
151b8902ba0
hex10e9fabb4

4540312500 has 192 divisors, whose sum is σ = 13781214720. Its totient is φ = 1162000000.

The previous prime is 4540312499. The next prime is 4540312501. The reversal of 4540312500 is 52130454.

It is an interprime number because it is at equal distance from previous prime (4540312499) and next prime (4540312501).

It is a super-2 number, since 2×45403125002 = 41228875195312500000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4540312501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27187417 + ... + 27187583.

It is an arithmetic number, because the mean of its divisors is an integer number (71777160).

Almost surely, 24540312500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4540312500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6890607360).

4540312500 is an abundant number, since it is smaller than the sum of its proper divisors (9240902220).

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

4540312500 is an equidigital number, since it uses as much as digits as its factorization.

4540312500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 4540312500 is about 67381.8410256057. The cubic root of 4540312500 is about 1655.8789366911.

Adding to 4540312500 its reverse (52130454), we get a palindrome (4592442954).

The spelling of 4540312500 in words is "four billion, five hundred forty million, three hundred twelve thousand, five hundred".