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20303475174 = 2331173132051
BaseRepresentation
bin10010111010001011…
…100111000111100110
31221101222120101221000
4102322023213013212
5313040142201144
613154405534130
71316065456113
oct227213470746
957358511830
1020303475174
118679867454
123b27714346
131bb7521448
14da872190a
157dc714769
hex4ba2e71e6

20303475174 has 32 divisors (see below), whose sum is σ = 45124087680. Its totient is φ = 6767037000.

The previous prime is 20303475133. The next prime is 20303475197. The reversal of 20303475174 is 47157430302.

It is a super-2 number, since 2×203034751742 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 617449 + ... + 649499.

It is an arithmetic number, because the mean of its divisors is an integer number (1410127740).

Almost surely, 220303475174 is an apocalyptic number.

20303475174 is an abundant number, since it is smaller than the sum of its proper divisors (24820612506).

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

20303475174 is a wasteful number, since it uses less digits than its factorization.

20303475174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43793 (or 43787 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The spelling of 20303475174 in words is "twenty billion, three hundred three million, four hundred seventy-five thousand, one hundred seventy-four".

Divisors: 1 2 3 6 9 18 27 54 11731 23462 32051 35193 64102 70386 96153 105579 192306 211158 288459 316737 576918 633474 865377 1730754 375990281 751980562 1127970843 2255941686 3383912529 6767825058 10151737587 20303475174