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15131133201 = 331181898897
BaseRepresentation
bin11100001011110001…
…01100010100010001
31110001111220012121210
432011320230110101
5221442032230301
610541240410333
71043651336652
oct160570542421
943044805553
1015131133201
116465148368
122b234769a9
131571a70572
14a377db529
155d85b8ad6
hex385e2c511

15131133201 has 16 divisors (see below), whose sum is σ = 20940727808. Its totient is φ = 9708076800.

The previous prime is 15131133197. The next prime is 15131133209. The reversal of 15131133201 is 10233113151.

It is not a de Polignac number, because 15131133201 - 22 = 15131133197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15131133209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432616 + ... + 466281.

It is an arithmetic number, because the mean of its divisors is an integer number (1308795488).

Almost surely, 215131133201 is an apocalyptic number.

It is an amenable number.

15131133201 is a deficient number, since it is larger than the sum of its proper divisors (5809594607).

15131133201 is a wasteful number, since it uses less digits than its factorization.

15131133201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899112.

The product of its (nonzero) digits is 270, while the sum is 21.

Adding to 15131133201 its reverse (10233113151), we get a palindrome (25364246352).

The spelling of 15131133201 in words is "fifteen billion, one hundred thirty-one million, one hundred thirty-three thousand, two hundred one".

Divisors: 1 3 31 93 181 543 5611 16833 898897 2696691 27865807 83597421 162700357 488101071 5043711067 15131133201