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61253132273 = 1926227122921
BaseRepresentation
bin111001000010111110…
…001001111111110001
312212002211120112001122
4321002332021333301
52000421300213043
644050031112025
74265624014364
oct710276117761
9185084515048
1061253132273
1123a82883973
12ba55672615
135a12265688
142d710940db
1518d7786368
hexe42f89ff1

61253132273 has 8 divisors (see below), whose sum is σ = 64479964320. Its totient is φ = 58026598560.

The previous prime is 61253132267. The next prime is 61253132321. The reversal of 61253132273 is 37223135216.

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

It is a cyclic number.

It is not a de Polignac number, because 61253132273 - 26 = 61253132209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61253132243) 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, 436853 + ... + 559773.

It is an arithmetic number, because the mean of its divisors is an integer number (8059995540).

Almost surely, 261253132273 is an apocalyptic number.

It is an amenable number.

61253132273 is a deficient number, since it is larger than the sum of its proper divisors (3226832047).

61253132273 is a wasteful number, since it uses less digits than its factorization.

61253132273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149167.

The product of its digits is 45360, while the sum is 35.

Adding to 61253132273 its reverse (37223135216), we get a palindrome (98476267489).

The spelling of 61253132273 in words is "sixty-one billion, two hundred fifty-three million, one hundred thirty-two thousand, two hundred seventy-three".

Divisors: 1 19 26227 122921 498313 2335499 3223849067 61253132273