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29142004972420 = 2251457100248621
BaseRepresentation
bin1101010000001001001101…
…10110101011101110000100
310211011221121102200100212001
412220010212312223232010
512304430311233104140
6141551352520035044
76065304023111134
oct650044666535604
9124157542610761
1029142004972420
1193160670927aa
123327aba602a84
131335105231112
1472a6a2962ac4
153580b52c9e9a
hex1a8126dabb84

29142004972420 has 12 divisors (see below), whose sum is σ = 61198210442124. Its totient is φ = 11656801988960.

The previous prime is 29142004972417. The next prime is 29142004972439. The reversal of 29142004972420 is 2427940024192.

It can be written as a sum of positive squares in 2 ways, for example, as 19420168276224 + 9721836696196 = 4406832^2 + 3117986^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728550124291 + ... + 728550124330.

It is an arithmetic number, because the mean of its divisors is an integer number (5099850870177).

Almost surely, 229142004972420 is an apocalyptic number.

29142004972420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29142004972420 is an abundant number, since it is smaller than the sum of its proper divisors (32056205469704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29142004972420 is a wasteful number, since it uses less digits than its factorization.

29142004972420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457100248630 (or 1457100248628 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 29142004972420 in words is "twenty-nine trillion, one hundred forty-two billion, four million, nine hundred seventy-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1457100248621 2914200497242 5828400994484 7285501243105 14571002486210 29142004972420