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28796901154749 = 327313367127499
BaseRepresentation
bin1101000110000110011010…
…00100000101111110111101
310202221221211112221222222100
412203003031010011332331
512233302023143422444
6141125040323335313
76031336025055000
oct643031504057675
9122857745858870
1028796901154749
1191a2773a71732
123291047b21539
13130b6c7b42000
14717ac5489537
1534e118021e69
hex1a30cd105fbd

28796901154749 has 384 divisors, whose sum is σ = 53860352000000. Its totient is φ = 14815296752256.

The previous prime is 28796901154741. The next prime is 28796901154751. The reversal of 28796901154749 is 94745110969782.

28796901154749 is a `hidden beast` number, since 2 + 8 + 7 + 9 + 69 + 0 + 11 + 547 + 4 + 9 = 666.

It is not a de Polignac number, because 28796901154749 - 23 = 28796901154741 is a prime.

It is a super-2 number, since 2×287969011547492 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28796901154741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 57709220502 + ... + 57709221000.

Almost surely, 228796901154749 is an apocalyptic number.

It is an amenable number.

28796901154749 is a deficient number, since it is larger than the sum of its proper divisors (25063450845251).

28796901154749 is a wasteful number, since it uses less digits than its factorization.

28796901154749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 274337280, while the sum is 72.

The spelling of 28796901154749 in words is "twenty-eight trillion, seven hundred ninety-six billion, nine hundred one million, one hundred fifty-four thousand, seven hundred forty-nine".