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210140151 = 31344312163
BaseRepresentation
bin11001000011001…
…11101111110111
3112122102020002120
430201213233313
5412243441101
632504011023
75131106334
oct1441475767
9478366076
10210140151
11a8689451
125a460a73
13346c78b0
141dca198b
15136adb36
hexc867bf7

210140151 has 16 divisors (see below), whose sum is σ = 302445696. Its totient is φ = 129014496.

The previous prime is 210140143. The next prime is 210140153. The reversal of 210140151 is 151041012.

It is a happy number.

It is not a de Polignac number, because 210140151 - 23 = 210140143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210140151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210140153) 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, 11196 + ... + 23358.

It is an arithmetic number, because the mean of its divisors is an integer number (18902856).

Almost surely, 2210140151 is an apocalyptic number.

210140151 is a deficient number, since it is larger than the sum of its proper divisors (92305545).

210140151 is a wasteful number, since it uses less digits than its factorization.

210140151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12622.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 210140151 is about 14496.2116085548. The cubic root of 210140151 is about 594.5243954911.

Adding to 210140151 its reverse (151041012), we get a palindrome (361181163).

The spelling of 210140151 in words is "two hundred ten million, one hundred forty thousand, one hundred fifty-one".

Divisors: 1 3 13 39 443 1329 5759 12163 17277 36489 158119 474357 5388209 16164627 70046717 210140151