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7100149661 = 11679633853
BaseRepresentation
bin1101001110011001…
…11010111110011101
3200022211011222021222
412213030322332131
5104020114242121
63132312503125
7340643163533
oct64714727635
920284158258
107100149661
113013938590
1214619aaaa5
13891c9c8b7
144b4d8a153
152b84ed0ab
hex1a733af9d

7100149661 has 8 divisors (see below), whose sum is σ = 7861224864. Its totient is φ = 6358342320.

The previous prime is 7100149649. The next prime is 7100149681. The reversal of 7100149661 is 1669410017.

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

It is a de Polignac number, because none of the positive numbers 2k-7100149661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7100149681) 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, 4816190 + ... + 4817663.

It is an arithmetic number, because the mean of its divisors is an integer number (982653108).

Almost surely, 27100149661 is an apocalyptic number.

It is an amenable number.

7100149661 is a deficient number, since it is larger than the sum of its proper divisors (761075203).

7100149661 is a wasteful number, since it uses less digits than its factorization.

7100149661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9633931.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 7100149661 is about 84262.3858017324. The cubic root of 7100149661 is about 1922.0108472828.

Adding to 7100149661 its reverse (1669410017), we get a palindrome (8769559678).

The spelling of 7100149661 in words is "seven billion, one hundred million, one hundred forty-nine thousand, six hundred sixty-one".

Divisors: 1 11 67 737 9633853 105972383 645468151 7100149661