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53453211201 = 3313971569983
BaseRepresentation
bin110001110010000011…
…110100011001000001
312002222020122110212000
4301302003310121001
51333433010224301
640320035454213
73601422540615
oct616203643101
9162866573760
1053453211201
112073aa42805
12a439457369
13506b306770
1428311cd345
1515ccb0d786
hexc720f4641

53453211201 has 32 divisors (see below), whose sum is σ = 86160721920. Its totient is φ = 32555146752.

The previous prime is 53453211181. The next prime is 53453211223. The reversal of 53453211201 is 10211235435.

53453211201 is a `hidden beast` number, since 5 + 3 + 4 + 532 + 1 + 120 + 1 = 666.

It is not a de Polignac number, because 53453211201 - 25 = 53453211169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (53453211281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 750945 + ... + 819038.

It is an arithmetic number, because the mean of its divisors is an integer number (2692522560).

Almost surely, 253453211201 is an apocalyptic number.

It is an amenable number.

53453211201 is a deficient number, since it is larger than the sum of its proper divisors (32707510719).

53453211201 is a wasteful number, since it uses less digits than its factorization.

53453211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570102 (or 1570096 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 53453211201 its reverse (10211235435), we get a palindrome (63664446636).

The spelling of 53453211201 in words is "fifty-three billion, four hundred fifty-three million, two hundred eleven thousand, two hundred one".

Divisors: 1 3 9 13 27 39 97 117 291 351 873 1261 2619 3783 11349 34047 1569983 4709949 14129847 20409779 42389541 61229337 152288351 183688011 456865053 551064033 1370595159 1979748563 4111785477 5939245689 17817737067 53453211201