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15030327831 = 310634713179
BaseRepresentation
bin11011111111110000…
…01001101000010111
31102210111012202122120
431333320021220113
5221240230442311
610523240031023
71041315451521
oct157770115027
942714182576
1015030327831
116413256842
122ab5762473
131556c0730c
14a2827aa11
155ce805706
hex37fe09a17

15030327831 has 8 divisors (see below), whose sum is σ = 20059294080. Its totient is φ = 10010790072.

The previous prime is 15030327797. The next prime is 15030327841. The reversal of 15030327831 is 13872303051.

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

It is not a de Polignac number, because 15030327831 - 223 = 15021939223 is a prime.

It is a super-2 number, since 2×150303278312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15030327792 and 15030327801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15030327841) 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, 2353401 + ... + 2359778.

It is an arithmetic number, because the mean of its divisors is an integer number (2507411760).

Almost surely, 215030327831 is an apocalyptic number.

15030327831 is a deficient number, since it is larger than the sum of its proper divisors (5028966249).

15030327831 is a wasteful number, since it uses less digits than its factorization.

15030327831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4714245.

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 15030327831 in words is "fifteen billion, thirty million, three hundred twenty-seven thousand, eight hundred thirty-one".

Divisors: 1 3 1063 3189 4713179 14139537 5010109277 15030327831