Search a number
-
+
51046411350 = 23521130937219
BaseRepresentation
bin101111100010100110…
…100110110001010110
311212202111211101010210
4233202212212301112
51314020340130400
635241141430250
73454656223464
oct574246466126
9155674741123
1051046411350
111a715406420
129a8740b386
134a767a9a3c
1426836bd834
1514db692950
hexbe29a6c56

51046411350 has 48 divisors (see below), whose sum is σ = 138103750080. Its totient is φ = 12374887200.

The previous prime is 51046411337. The next prime is 51046411441. The reversal of 51046411350 is 5311464015.

It is a happy number.

It is a super-2 number, since 2×510464113502 (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 15466960 + ... + 15470259.

It is an arithmetic number, because the mean of its divisors is an integer number (2877161460).

Almost surely, 251046411350 is an apocalyptic number.

51046411350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51046411350 is an abundant number, since it is smaller than the sum of its proper divisors (87057338730).

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

51046411350 is a wasteful number, since it uses less digits than its factorization.

51046411350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30937245 (or 30937240 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 51046411350 its reverse (5311464015), we get a palindrome (56357875365).

The spelling of 51046411350 in words is "fifty-one billion, forty-six million, four hundred eleven thousand, three hundred fifty".

Divisors: 1 2 3 5 6 10 11 15 22 25 30 33 50 55 66 75 110 150 165 275 330 550 825 1650 30937219 61874438 92811657 154686095 185623314 309372190 340309409 464058285 680618818 773430475 928116570 1020928227 1546860950 1701547045 2041856454 2320291425 3403094090 4640582850 5104641135 8507735225 10209282270 17015470450 25523205675 51046411350