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9102693139 = 89139735809
BaseRepresentation
bin10000111101001000…
…00001001100010011
3212111101022201111221
420132210001030103
5122120242140024
64103130145511
7441400420651
oct103644011423
925441281457
109102693139
1139512620a1
121920582297
13b20b27877
14624d07dd1
153842143e4
hex21e901313

9102693139 has 8 divisors (see below), whose sum is σ = 9271206000. Its totient is φ = 8935652352.

The previous prime is 9102693137. The next prime is 9102693143. The reversal of 9102693139 is 9313962019.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9102693139 - 21 = 9102693137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9102693095 and 9102693104.

It is not an unprimeable number, because it can be changed into a prime (9102693137) 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 7 ways as a sum of consecutive naturals, for example, 355534 + ... + 380275.

It is an arithmetic number, because the mean of its divisors is an integer number (1158900750).

Almost surely, 29102693139 is an apocalyptic number.

9102693139 is a deficient number, since it is larger than the sum of its proper divisors (168512861).

9102693139 is a wasteful number, since it uses less digits than its factorization.

9102693139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736037.

The product of its (nonzero) digits is 78732, while the sum is 43.

The square root of 9102693139 is about 95408.0349813369. The cubic root of 9102693139 is about 2087.9654153629.

The spelling of 9102693139 in words is "nine billion, one hundred two million, six hundred ninety-three thousand, one hundred thirty-nine".

Divisors: 1 89 139 12371 735809 65487001 102277451 9102693139