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51203050304 = 267731565651
BaseRepresentation
bin101111101011111100…
…001000101101000000
311220011102120110101112
4233223330020231000
51314330440102204
635304455022452
73461600514020
oct575374105500
9156142513345
1051203050304
111a7958725aa
129b0b96aa28
134aa0091703
14269a415a80
1514ea2d426e
hexbebf08b40

51203050304 has 56 divisors (see below), whose sum is σ = 117711979968. Its totient is φ = 21643545600.

The previous prime is 51203050303. The next prime is 51203050337. The reversal of 51203050304 is 40305030215.

51203050304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 51203050304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51203050303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750122 + ... + 815529.

Almost surely, 251203050304 is an apocalyptic number.

It is an amenable number.

51203050304 is an abundant number, since it is smaller than the sum of its proper divisors (66508929664).

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

51203050304 is a wasteful number, since it uses less digits than its factorization.

51203050304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565743 (or 1565733 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 51203050304 its reverse (40305030215), we get a palindrome (91508080519).

The spelling of 51203050304 in words is "fifty-one billion, two hundred three million, fifty thousand, three hundred four".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 73 112 146 224 292 448 511 584 1022 1168 2044 2336 4088 4672 8176 16352 32704 1565651 3131302 6262604 10959557 12525208 21919114 25050416 43838228 50100832 87676456 100201664 114292523 175352912 228585046 350705824 457170092 701411648 800047661 914340184 1600095322 1828680368 3200190644 3657360736 6400381288 7314721472 12800762576 25601525152 51203050304