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5211147450 = 235234740983
BaseRepresentation
bin1001101101001101…
…11100110010111010
3111110011200201102010
410312212330302322
541133023204300
62221032550350
7243065010465
oct46646746272
914404621363
105211147450
112234614233
1210152523b6
13650819b02
143761462dc
15207763a50
hex1369bccba

5211147450 has 24 divisors (see below), whose sum is σ = 12923646048. Its totient is φ = 1389639280.

The previous prime is 5211147449. The next prime is 5211147457. The reversal of 5211147450 is 547411125.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5211147457) 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 11 ways as a sum of consecutive naturals, for example, 17370342 + ... + 17370641.

It is an arithmetic number, because the mean of its divisors is an integer number (538485252).

Almost surely, 25211147450 is an apocalyptic number.

5211147450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5211147450 is an abundant number, since it is smaller than the sum of its proper divisors (7712498598).

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

5211147450 is a wasteful number, since it uses less digits than its factorization.

5211147450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34740998 (or 34740993 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 5211147450 is about 72188.2777880176. The cubic root of 5211147450 is about 1733.7153215895.

Adding to 5211147450 its reverse (547411125), we get a palindrome (5758558575).

The spelling of 5211147450 in words is "five billion, two hundred eleven million, one hundred forty-seven thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 34740983 69481966 104222949 173704915 208445898 347409830 521114745 868524575 1042229490 1737049150 2605573725 5211147450