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9049292491 = 173141418813
BaseRepresentation
bin10000110110110000…
…10011111011001011
3212100122211200121011
420123120103323023
5122013104324431
64053541424351
7440151500641
oct103330237313
925318750534
109049292491
1139240a9428
12190670b0b7
13b12a4b655
1461bba7191
1537e6b6cb1
hex21b613ecb

9049292491 has 16 divisors (see below), whose sum is σ = 10131948288. Its totient is φ = 8041190400.

The previous prime is 9049292479. The next prime is 9049292519. The reversal of 9049292491 is 1942929409.

It is a happy number.

It is not a de Polignac number, because 9049292491 - 27 = 9049292363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9049292411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187800 + ... + 231013.

It is an arithmetic number, because the mean of its divisors is an integer number (633246768).

Almost surely, 29049292491 is an apocalyptic number.

9049292491 is a deficient number, since it is larger than the sum of its proper divisors (1082655797).

9049292491 is a wasteful number, since it uses less digits than its factorization.

9049292491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418902.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 9049292491 is about 95127.7692947753. The cubic root of 9049292491 is about 2083.8744116580.

The spelling of 9049292491 in words is "nine billion, forty-nine million, two hundred ninety-two thousand, four hundred ninety-one".

Divisors: 1 17 31 41 527 697 1271 21607 418813 7119821 12983203 17171333 220714451 291912661 532311323 9049292491