Search a number
-
+
131012153 = 3713992531
BaseRepresentation
bin1111100111100…
…01011000111001
3100010112002212222
413303301120321
5232014342103
621000013425
73150404426
oct763613071
9303462788
10131012153
1167a53408
1237a61275
13211b13ac
1413584d4d
15b77d638
hex7cf1639

131012153 has 8 divisors (see below), whose sum is σ = 134702400. Its totient is φ = 127329840.

The previous prime is 131012113. The next prime is 131012173. The reversal of 131012153 is 351210131.

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 131012153 - 214 = 130995769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131012113) 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, 50498 + ... + 53028.

It is an arithmetic number, because the mean of its divisors is an integer number (16837800).

Almost surely, 2131012153 is an apocalyptic number.

It is an amenable number.

131012153 is a deficient number, since it is larger than the sum of its proper divisors (3690247).

131012153 is a wasteful number, since it uses less digits than its factorization.

131012153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3967.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 131012153 is about 11446.0540362170. The cubic root of 131012153 is about 507.8910126931.

Adding to 131012153 its reverse (351210131), we get a palindrome (482222284).

The spelling of 131012153 in words is "one hundred thirty-one million, twelve thousand, one hundred fifty-three".

Divisors: 1 37 1399 2531 51763 93647 3540869 131012153