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51552410430 = 2353773363361
BaseRepresentation
bin110000000000110000…
…110101101100111110
311221001202221210101110
4300000300311230332
51321034404113210
635403255022450
73503342154453
oct600060655476
9157052853343
1051552410430
111a954a9aa84
129ba896aa26
134b27582591
1426d099782a
15151ace3420
hexc00c35b3e

51552410430 has 64 divisors (see below), whose sum is σ = 127245089088. Its totient is φ = 13357301760.

The previous prime is 51552410423. The next prime is 51552410443. The reversal of 51552410430 is 3401425515.

It is a super-2 number, since 2×515524104302 (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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 781950 + ... + 845310.

It is an arithmetic number, because the mean of its divisors is an integer number (1988204517).

Almost surely, 251552410430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51552410430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63622544544).

51552410430 is an abundant number, since it is smaller than the sum of its proper divisors (75692678658).

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

51552410430 is a wasteful number, since it uses less digits than its factorization.

51552410430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64141.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 51552410430 its reverse (3401425515), we get a palindrome (54953835945).

The spelling of 51552410430 in words is "fifty-one billion, five hundred fifty-two million, four hundred ten thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 370 555 733 1110 1466 2199 3665 4398 7330 10995 21990 27121 54242 63361 81363 126722 135605 162726 190083 271210 316805 380166 406815 633610 813630 950415 1900830 2344357 4688714 7033071 11721785 14066142 23443570 35165355 46443613 70330710 92887226 139330839 232218065 278661678 464436130 696654195 1393308390 1718413681 3436827362 5155241043 8592068405 10310482086 17184136810 25776205215 51552410430