Search a number
-
+
5551045031 = 75927149597
BaseRepresentation
bin1010010101101111…
…00011100110100111
3112022212021022020102
411022313203212213
542332031420111
62314454054315
7254363050520
oct51267434647
915285238212
105551045031
112399469324
1210ab04a39b
136a607693c
143a9343847
1522750413b
hex14ade39a7

5551045031 has 16 divisors (see below), whose sum is σ = 6475514880. Its totient is φ = 4660040160.

The previous prime is 5551045007. The next prime is 5551045051. The reversal of 5551045031 is 1305401555.

It is a cyclic number.

It is not a de Polignac number, because 5551045031 - 210 = 5551044007 is a prime.

It is a super-2 number, since 2×55510450312 = 61628201872379581922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5551044985 and 5551045003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551045001) 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 15 ways as a sum of consecutive naturals, for example, 87125 + ... + 136721.

It is an arithmetic number, because the mean of its divisors is an integer number (404719680).

Almost surely, 25551045031 is an apocalyptic number.

5551045031 is a deficient number, since it is larger than the sum of its proper divisors (924469849).

5551045031 is a wasteful number, since it uses less digits than its factorization.

5551045031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49934.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 5551045031 is about 74505.3355874598. The cubic root of 5551045031 is about 1770.6181707711.

Adding to 5551045031 its reverse (1305401555), we get a palindrome (6856446586).

The spelling of 5551045031 in words is "five billion, five hundred fifty-one million, forty-five thousand, thirty-one".

Divisors: 1 7 59 271 413 1897 15989 49597 111923 347179 2926223 13440787 20483561 94085509 793006433 5551045031