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20813176092 = 22317653156241
BaseRepresentation
bin10011011000100011…
…111101110100011100
31222201111122220010210
4103120203331310130
5320111133113332
613321134332420
71334525035452
oct233043756434
958644586123
1020813176092
11891054a285
12404a35a110
131c68cc1c17
1410162c09d2
1581c346ecc
hex4d88fdd1c

20813176092 has 48 divisors (see below), whose sum is σ = 51499863072. Its totient is φ = 6519582720.

The previous prime is 20813176091. The next prime is 20813176121. The reversal of 20813176092 is 29067131802.

It is a self number, because there is not a number n which added to its sum of digits gives 20813176092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20813176091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55092 + ... + 211332.

It is an arithmetic number, because the mean of its divisors is an integer number (1072913814).

Almost surely, 220813176092 is an apocalyptic number.

It is an amenable number.

20813176092 is an abundant number, since it is smaller than the sum of its proper divisors (30686686980).

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

20813176092 is a wasteful number, since it uses less digits than its factorization.

20813176092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156918 (or 156916 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 20813176092 in words is "twenty billion, eight hundred thirteen million, one hundred seventy-six thousand, ninety-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 653 1306 1959 2612 3918 7836 11101 22202 33303 44404 66606 133212 156241 312482 468723 624964 937446 1874892 2656097 5312194 7968291 10624388 15936582 31873164 102025373 204050746 306076119 408101492 612152238 1224304476 1734431341 3468862682 5203294023 6937725364 10406588046 20813176092