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211023132102 = 23238930137551
BaseRepresentation
bin1100010010000111110…
…1010111010111000110
3202011200120020211000100
43010201331113113012
511424133410211402
6240535342024530
721150231012246
oct3044175272706
9664616224010
10211023132102
1181549069532
1234a93278146
1316b8cc85753
14a2dc093b26
15575108271c
hex3121f575c6

211023132102 has 24 divisors (see below), whose sum is σ = 458392165920. Its totient is φ = 70160216400.

The previous prime is 211023132077. The next prime is 211023132109. The reversal of 211023132102 is 201231320112.

211023132102 is a `hidden beast` number, since 2 + 110 + 231 + 321 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211023132109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15061774 + ... + 15075777.

It is an arithmetic number, because the mean of its divisors is an integer number (19099673580).

Almost surely, 2211023132102 is an apocalyptic number.

211023132102 is an abundant number, since it is smaller than the sum of its proper divisors (247369033818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211023132102 is a wasteful number, since it uses less digits than its factorization.

211023132102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30137948 (or 30137945 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 211023132102 its reverse (201231320112), we get a palindrome (412254452214).

The spelling of 211023132102 in words is "two hundred eleven billion, twenty-three million, one hundred thirty-two thousand, one hundred two".

Divisors: 1 2 3 6 9 18 389 778 1167 2334 3501 7002 30137551 60275102 90412653 180825306 271237959 542475918 11723507339 23447014678 35170522017 70341044034 105511566051 211023132102