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9975138310 = 25997513831
BaseRepresentation
bin10010100101001000…
…01000100000000110
3221202011222112022001
421102210020200012
5130412113411220
64325453455514
7502123163614
oct112244104006
927664875261
109975138310
114259784065
121b247a159a
13c2c7c4207
146a8b306b4
153d5aeb80a
hex252908806

9975138310 has 8 divisors (see below), whose sum is σ = 17955248976. Its totient is φ = 3990055320.

The previous prime is 9975138293. The next prime is 9975138311. The reversal of 9975138310 is 138315799.

It is a happy number.

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

It is a super-2 number, since 2×99751383102 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9975138311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498756906 + ... + 498756925.

It is an arithmetic number, because the mean of its divisors is an integer number (2244406122).

Almost surely, 29975138310 is an apocalyptic number.

9975138310 is a deficient number, since it is larger than the sum of its proper divisors (7980110666).

9975138310 is a wasteful number, since it uses less digits than its factorization.

9975138310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997513838.

The product of its (nonzero) digits is 204120, while the sum is 46.

The square root of 9975138310 is about 99875.6141908524. The cubic root of 9975138310 is about 2152.6477787786.

The spelling of 9975138310 in words is "nine billion, nine hundred seventy-five million, one hundred thirty-eight thousand, three hundred ten".

Divisors: 1 2 5 10 997513831 1995027662 4987569155 9975138310