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51662327620253 = 78030539190343
BaseRepresentation
bin10111011111100100100101…
…01011111010001010011101
320202220212111102211220120212
423233302102223322022131
523232413421332322003
6301513202355222205
713611323432151560
oct1357622253721235
9222825442756525
1051662327620253
1115508963120139
125964608ba7965
1322a997639c08c
14ca86819664d7
155e8cc7ec1dd8
hex2efc92afa29d

51662327620253 has 8 divisors (see below), whose sum is σ = 59042740084608. Its totient is φ = 44281935142704.

The previous prime is 51662327620133. The next prime is 51662327620259. The reversal of 51662327620253 is 35202672326615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51662327620253 - 220 = 51662326571677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51662327620259) 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, 1026200 + ... + 10216542.

It is an arithmetic number, because the mean of its divisors is an integer number (7380342510576).

Almost surely, 251662327620253 is an apocalyptic number.

It is an amenable number.

51662327620253 is a deficient number, since it is larger than the sum of its proper divisors (7380412464355).

51662327620253 is an equidigital number, since it uses as much as digits as its factorization.

51662327620253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9993403.

The product of its (nonzero) digits is 5443200, while the sum is 50.

Adding to 51662327620253 its reverse (35202672326615), we get a palindrome (86864999946868).

The spelling of 51662327620253 in words is "fifty-one trillion, six hundred sixty-two billion, three hundred twenty-seven million, six hundred twenty thousand, two hundred fifty-three".

Divisors: 1 7 803053 5621371 9190343 64332401 7380332517179 51662327620253