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29122386545 = 57832068187
BaseRepresentation
bin11011000111110101…
…000101101001110001
32210011120220112001002
4123013311011221301
5434120312332140
621213441451345
72050452126020
oct330765055161
983146815032
1029122386545
111139491205a
125789040b55
1329916091b5
1415a3a788b7
15b56a70415
hex6c7d45a71

29122386545 has 8 divisors (see below), whose sum is σ = 39939273024. Its totient is φ = 19969636464.

The previous prime is 29122386539. The next prime is 29122386547. The reversal of 29122386545 is 54568322192.

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

It is a cyclic number.

It is not a de Polignac number, because 29122386545 - 228 = 28853951089 is a prime.

It is a super-2 number, since 2×291223865452 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29122386545.

It is not an unprimeable number, because it can be changed into a prime (29122386547) 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 7 ways as a sum of consecutive naturals, for example, 416034059 + ... + 416034128.

It is an arithmetic number, because the mean of its divisors is an integer number (4992409128).

Almost surely, 229122386545 is an apocalyptic number.

It is an amenable number.

29122386545 is a deficient number, since it is larger than the sum of its proper divisors (10816886479).

29122386545 is an equidigital number, since it uses as much as digits as its factorization.

29122386545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832068199.

The product of its digits is 1036800, while the sum is 47.

The spelling of 29122386545 in words is "twenty-nine billion, one hundred twenty-two million, three hundred eighty-six thousand, five hundred forty-five".

Divisors: 1 5 7 35 832068187 4160340935 5824477309 29122386545