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210550147161 = 33125756315647
BaseRepresentation
bin1100010000010111000…
…1000100100001011001
3202010110121020200122120
43010011301010201121
511422201314202121
6240420404211453
721132425502354
oct3040561044131
9663417220576
10210550147161
1181326083992
1234980999b89
1316b15c9bac3
14a29533129b
1557247a3bc6
hex3105c44859

210550147161 has 32 divisors (see below), whose sum is σ = 291452387328. Its totient is φ = 135061278720.

The previous prime is 210550147147. The next prime is 210550147169. The reversal of 210550147161 is 161741055012.

It is not a de Polignac number, because 210550147161 - 26 = 210550147097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210550147169) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13448440 + ... + 13464086.

It is an arithmetic number, because the mean of its divisors is an integer number (9107887104).

Almost surely, 2210550147161 is an apocalyptic number.

It is an amenable number.

210550147161 is a deficient number, since it is larger than the sum of its proper divisors (80902240167).

210550147161 is a wasteful number, since it uses less digits than its factorization.

210550147161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16501.

The product of its (nonzero) digits is 8400, while the sum is 33.

The spelling of 210550147161 in words is "two hundred ten billion, five hundred fifty million, one hundred forty-seven thousand, one hundred sixty-one".

Divisors: 1 3 31 93 257 563 771 1689 7967 15647 17453 23901 46941 52359 144691 434073 485057 1455171 4021279 4485421 8809261 12063837 13456263 26427783 124659649 273087091 373978947 819261273 2263980077 6791940231 70183382387 210550147161