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61112020607 = 119757274621
BaseRepresentation
bin111000111010100011…
…110110111001111111
312211202000001022020122
4320322203312321333
52000124134124412
644024030405155
74262261414201
oct707243667177
9184660038218
1061112020607
1123a10162660
12ba163607bb
1359bbc59351
142d5a440771
1518ca1b0572
hexe3a8f6e7f

61112020607 has 8 divisors (see below), whose sum is σ = 67354955472. Its totient is φ = 54983635200.

The previous prime is 61112020589. The next prime is 61112020643. The reversal of 61112020607 is 70602021116.

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

It is not a de Polignac number, because 61112020607 - 216 = 61111955071 is a prime.

It is a super-3 number, since 3×611120206073 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61112020657) 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, 28636244 + ... + 28638377.

It is an arithmetic number, because the mean of its divisors is an integer number (8419369434).

Almost surely, 261112020607 is an apocalyptic number.

61112020607 is a deficient number, since it is larger than the sum of its proper divisors (6242934865).

61112020607 is a wasteful number, since it uses less digits than its factorization.

61112020607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57274729.

The product of its (nonzero) digits is 1008, while the sum is 26.

The spelling of 61112020607 in words is "sixty-one billion, one hundred twelve million, twenty thousand, six hundred seven".

Divisors: 1 11 97 1067 57274621 630020831 5555638237 61112020607