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9390625138461 = 372436124354481
BaseRepresentation
bin1000100010100110110011…
…1000000010011100011101
31020020201211210220212222010
42020221230320002130131
52212324000013412321
631545554342541433
71656310305443400
oct210515470023435
936221753825863
109390625138461
112aa05a6094276
121077b71437879
135316bc19b688
14246719b73d37
1511441204d676
hex88a6ce0271d

9390625138461 has 48 divisors (see below), whose sum is σ = 15148098132288. Its totient is φ = 5155356326400.

The previous prime is 9390625138451. The next prime is 9390625138501. The reversal of 9390625138461 is 1648315260939.

It is not a de Polignac number, because 9390625138461 - 26 = 9390625138397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9390625138451) 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 47 ways as a sum of consecutive naturals, for example, 11791660 + ... + 12562821.

It is an arithmetic number, because the mean of its divisors is an integer number (315585377756).

Almost surely, 29390625138461 is an apocalyptic number.

It is an amenable number.

9390625138461 is a deficient number, since it is larger than the sum of its proper divisors (5757472993827).

9390625138461 is a wasteful number, since it uses less digits than its factorization.

9390625138461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24354602 (or 24354595 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 57.

The spelling of 9390625138461 in words is "nine trillion, three hundred ninety billion, six hundred twenty-five million, one hundred thirty-eight thousand, four hundred sixty-one".

Divisors: 1 3 7 21 43 49 61 129 147 183 301 427 903 1281 2107 2623 2989 6321 7869 8967 18361 55083 128527 385581 24354481 73063443 170481367 511444101 1047242683 1193369569 1485623341 3141728049 3580108707 4456870023 7330698781 10399363387 21992096343 31198090161 51314891467 63881803663 72795543709 153944674401 191645410989 218386631127 447172625641 1341517876923 3130208379487 9390625138461