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51400053601 = 13219137331353
BaseRepresentation
bin101111110111101011…
…101001001101100001
311220200011021021002221
4233313223221031201
51320231403203401
635340213311041
73466512150451
oct576753511541
9156604237087
1051400053601
111a886a99046
129b65935481
134b01b39a00
1426b8657d61
15150c74a7a1
hexbf7ae9361

51400053601 has 48 divisors (see below), whose sum is σ = 59361042240. Its totient is φ = 44360110080.

The previous prime is 51400053599. The next prime is 51400053613. The reversal of 51400053601 is 10635000415.

It is not a de Polignac number, because 51400053601 - 21 = 51400053599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51400053301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 145609041 + ... + 145609393.

It is an arithmetic number, because the mean of its divisors is an integer number (1236688380).

Almost surely, 251400053601 is an apocalyptic number.

It is an amenable number.

51400053601 is a deficient number, since it is larger than the sum of its proper divisors (7960988639).

51400053601 is a wasteful number, since it uses less digits than its factorization.

51400053601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866 (or 853 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 51400053601 in words is "fifty-one billion, four hundred million, fifty-three thousand, six hundred one".

Divisors: 1 13 19 137 169 247 331 353 1781 2603 3211 4303 4589 6289 6707 23153 33839 45347 48361 55939 59657 81757 87191 116843 439907 589511 628693 861593 918859 1062841 1133483 1518959 2220017 7663643 8173009 11200709 11945167 16007491 19746467 28860221 145609217 155287171 208097383 304142329 375182873 2705265979 3953850277 51400053601