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200813151 = 3711869321
BaseRepresentation
bin10111111100000…
…10101001011111
3111222212100212010
423332002221133
5402402010101
631532042303
74655612040
oct1376025137
9458770763
10200813151
11a3398990
1257303393
13327b0466
141c9548c7
151296a2d6
hexbf82a5f

200813151 has 16 divisors (see below), whose sum is σ = 333819648. Its totient is φ = 104318400.

The previous prime is 200813141. The next prime is 200813153. The reversal of 200813151 is 151318002.

It is not a de Polignac number, because 200813151 - 213 = 200804959 is a prime.

It is a super-2 number, since 2×2008131512 = 80651843229097602, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200813153) 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 15 ways as a sum of consecutive naturals, for example, 434430 + ... + 434891.

It is an arithmetic number, because the mean of its divisors is an integer number (20863728).

Almost surely, 2200813151 is an apocalyptic number.

200813151 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

200813151 is a deficient number, since it is larger than the sum of its proper divisors (133006497).

200813151 is a wasteful number, since it uses less digits than its factorization.

200813151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869342.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 200813151 is about 14170.8556904656. The cubic root of 200813151 is about 585.5950319320.

It can be divided in two parts, 20081 and 3151, that added together give a palindrome (23232).

The spelling of 200813151 in words is "two hundred million, eight hundred thirteen thousand, one hundred fifty-one".

Divisors: 1 3 7 11 21 33 77 231 869321 2607963 6085247 9562531 18255741 28687593 66937717 200813151