Search a number
-
+
29026149657 = 389199354547
BaseRepresentation
bin11011000010000101…
…111110010100011001
32202220212211011211220
4123002011332110121
5433421143242112
621200123042253
72045203126011
oct330205762431
982825734756
1029026149657
111134556093a
125760970389
1329776b24ab
141594d86c41
15b4d3b098c
hex6c217e519

29026149657 has 16 divisors (see below), whose sum is σ = 39156736320. Its totient is φ = 19123391232.

The previous prime is 29026149631. The next prime is 29026149683. The reversal of 29026149657 is 75694162092.

It is an interprime number because it is at equal distance from previous prime (29026149631) and next prime (29026149683).

It is not a de Polignac number, because 29026149657 - 214 = 29026133273 is a prime.

It is a super-2 number, since 2×290261496572 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29026149457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504858 + ... + 559404.

It is an arithmetic number, because the mean of its divisors is an integer number (2447296020).

Almost surely, 229026149657 is an apocalyptic number.

It is an amenable number.

29026149657 is a deficient number, since it is larger than the sum of its proper divisors (10130586663).

29026149657 is a wasteful number, since it uses less digits than its factorization.

29026149657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56632.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 29026149657 in words is "twenty-nine billion, twenty-six million, one hundred forty-nine thousand, six hundred fifty-seven".

Divisors: 1 3 89 267 1993 5979 54547 163641 177377 532131 4854683 14564049 108712171 326136513 9675383219 29026149657