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15140628869 = 42148773847
BaseRepresentation
bin11100001100111001…
…11010100110000101
31110002011202122020012
432012130322212011
5222002000110434
610542220120005
71044125136062
oct160634724605
943064678205
1015140628869
11646a543623
122b26696005
131573a166c2
14a38b8dc69
155d93423ce
hex38673a985

15140628869 has 8 divisors (see below), whose sum is σ = 15207961728. Its totient is φ = 15073445520.

The previous prime is 15140628851. The next prime is 15140628883. The reversal of 15140628869 is 96882604151.

15140628869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15140628869 - 224 = 15123851653 is a prime.

It is a super-2 number, since 2×151406288692 (a number of 21 digits) contains 22 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 (15140625869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168104 + ... + 241950.

It is an arithmetic number, because the mean of its divisors is an integer number (1900995216).

Almost surely, 215140628869 is an apocalyptic number.

It is an amenable number.

15140628869 is a deficient number, since it is larger than the sum of its proper divisors (67332859).

15140628869 is an equidigital number, since it uses as much as digits as its factorization.

15140628869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74755.

The product of its (nonzero) digits is 829440, while the sum is 50.

The spelling of 15140628869 in words is "fifteen billion, one hundred forty million, six hundred twenty-eight thousand, eight hundred sixty-nine".

Divisors: 1 421 487 73847 205027 31089587 35963489 15140628869