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212163158 = 21915833527
BaseRepresentation
bin11001010010101…
…01101001010110
3112210020000010202
430221111221112
5413303210113
633015220502
75154233324
oct1451255126
9483200122
10212163158
11a9840359
125b077732
1334c5563c
142026ad14
151395d258
hexca55a56

212163158 has 16 divisors (see below), whose sum is σ = 335301120. Its totient is φ = 100406376.

The previous prime is 212163137. The next prime is 212163167. The reversal of 212163158 is 851361212.

212163158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2121631582 = 90026411225065928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212163158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58391 + ... + 61917.

It is an arithmetic number, because the mean of its divisors is an integer number (20956320).

Almost surely, 2212163158 is an apocalyptic number.

212163158 is a deficient number, since it is larger than the sum of its proper divisors (123137962).

212163158 is a wasteful number, since it uses less digits than its factorization.

212163158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5131.

The product of its digits is 2880, while the sum is 29.

The square root of 212163158 is about 14565.8215696884. The cubic root of 212163158 is about 596.4261231250.

The spelling of 212163158 in words is "two hundred twelve million, one hundred sixty-three thousand, one hundred fifty-eight".

Divisors: 1 2 19 38 1583 3166 3527 7054 30077 60154 67013 134026 5583241 11166482 106081579 212163158