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52904761951 = 471125633233
BaseRepresentation
bin110001010001010111…
…101001101001011111
312001120000122100220211
4301101113221221133
51331322104340301
640145404353251
73552013025326
oct612127515137
9161500570824
1052904761951
11204893a4768
12a305845827
134cb17ba092
1427bc4250bd
1515998c5051
hexc515e9a5f

52904761951 has 4 divisors (see below), whose sum is σ = 54030395232. Its totient is φ = 51779128672.

The previous prime is 52904761867. The next prime is 52904761967. The reversal of 52904761951 is 15916740925.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52904761951 - 29 = 52904761439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52904761895 and 52904761904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52904761981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562816570 + ... + 562816663.

It is an arithmetic number, because the mean of its divisors is an integer number (13507598808).

Almost surely, 252904761951 is an apocalyptic number.

52904761951 is a deficient number, since it is larger than the sum of its proper divisors (1125633281).

52904761951 is a wasteful number, since it uses less digits than its factorization.

52904761951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125633280.

The product of its (nonzero) digits is 680400, while the sum is 49.

The spelling of 52904761951 in words is "fifty-two billion, nine hundred four million, seven hundred sixty-one thousand, nine hundred fifty-one".

Divisors: 1 47 1125633233 52904761951