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151021113 = 3383131437
BaseRepresentation
bin10010000000001…
…10011000111001
3101112011200000120
421000012120321
5302130133423
622552523453
73512441535
oct1100063071
9345150016
10151021113
117827a441
12426b0589
1325398909
14160b2bc5
15d3d1ee3
hex9006639

151021113 has 8 divisors (see below), whose sum is σ = 201888768. Its totient is φ = 100417104.

The previous prime is 151021111. The next prime is 151021127. The reversal of 151021113 is 311120151.

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

It is not a de Polignac number, because 151021113 - 21 = 151021111 is a prime.

It is a super-3 number, since 3×1510211133 (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 151021092 and 151021101.

It is not an unprimeable number, because it can be changed into a prime (151021111) 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, 64570 + ... + 66867.

It is an arithmetic number, because the mean of its divisors is an integer number (25236096).

Almost surely, 2151021113 is an apocalyptic number.

It is an amenable number.

151021113 is a deficient number, since it is larger than the sum of its proper divisors (50867655).

151021113 is a wasteful number, since it uses less digits than its factorization.

151021113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131823.

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 151021113 is about 12289.0647732039. The cubic root of 151021113 is about 532.5322196114.

Adding to 151021113 its reverse (311120151), we get a palindrome (462141264).

The spelling of 151021113 in words is "one hundred fifty-one million, twenty-one thousand, one hundred thirteen".

Divisors: 1 3 383 1149 131437 394311 50340371 151021113