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29030221101 = 377451185531
BaseRepresentation
bin11011000010010101…
…100000010100101101
32202221011111000211010
4123002111200110231
5433423214033401
621200350215433
72045252544060
oct330225402455
982834430733
1029030221101
1111347891872
1257621b4579
1329784a972b
1415957268d7
15b4d916ed6
hex6c256052d

29030221101 has 16 divisors (see below), whose sum is σ = 44242702848. Its totient is φ = 16586382000.

The previous prime is 29030221097. The next prime is 29030221117. The reversal of 29030221101 is 10112203092.

It is not a de Polignac number, because 29030221101 - 22 = 29030221097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29030221501) 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, 63706 + ... + 249236.

It is an arithmetic number, because the mean of its divisors is an integer number (2765168928).

Almost surely, 229030221101 is an apocalyptic number.

29030221101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

29030221101 is a deficient number, since it is larger than the sum of its proper divisors (15212481747).

29030221101 is a wasteful number, since it uses less digits than its factorization.

29030221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192992.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 29030221101 its reverse (10112203092), we get a palindrome (39142424193).

The spelling of 29030221101 in words is "twenty-nine billion, thirty million, two hundred twenty-one thousand, one hundred one".

Divisors: 1 3 7 21 7451 22353 52157 156471 185531 556593 1298717 3896151 1382391481 4147174443 9676740367 29030221101