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9129220143 = 315719798389
BaseRepresentation
bin10001000000010010…
…01101100000101111
3212120020020102201120
420200021031200233
5122144040021033
64105514512023
7442142043111
oct104011154057
925506212646
109129220143
11396523023a
121929435613
13b26484b14
146286513b1
153867041b3
hex22024d82f

9129220143 has 16 divisors (see below), whose sum is σ = 12312131040. Its totient is φ = 6016622976.

The previous prime is 9129220069. The next prime is 9129220147. The reversal of 9129220143 is 3410229219.

It is not a de Polignac number, because 9129220143 - 210 = 9129219119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9129220147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43593 + ... + 141981.

It is an arithmetic number, because the mean of its divisors is an integer number (769508190).

Almost surely, 29129220143 is an apocalyptic number.

9129220143 is a deficient number, since it is larger than the sum of its proper divisors (3182910897).

9129220143 is a wasteful number, since it uses less digits than its factorization.

9129220143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98746.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 9129220143 is about 95546.9525573684. The cubic root of 9129220143 is about 2089.9916929990.

The spelling of 9129220143 in words is "nine billion, one hundred twenty-nine million, two hundred twenty thousand, one hundred forty-three".

Divisors: 1 3 157 197 471 591 30929 92787 98389 295167 15447073 19382633 46341219 58147899 3043073381 9129220143