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29148619249920 = 28351731137105137
BaseRepresentation
bin1101010000010101100010…
…00110001001100100000000
310211012120200101121110211210
412220022301012021210000
512310032333011444140
6141554405115010120
76065626646412042
oct650126106114400
9124176611543753
1029148619249920
119318950733345
123329245739940
13133591a6542a1
1472ab2d193a92
15358350d00d80
hex1a82b1189900

29148619249920 has 576 divisors, whose sum is σ = 102492815394816. Its totient is φ = 7027996753920.

The previous prime is 29148619249907. The next prime is 29148619249933. The reversal of 29148619249920 is 2994291684192.

It is an interprime number because it is at equal distance from previous prime (29148619249907) and next prime (29148619249933).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 277191592 + ... + 277296728.

It is an arithmetic number, because the mean of its divisors is an integer number (177938915616).

Almost surely, 229148619249920 is an apocalyptic number.

29148619249920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29148619249920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51246407697408).

29148619249920 is an abundant number, since it is smaller than the sum of its proper divisors (73344196144896).

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

29148619249920 is a wasteful number, since it uses less digits than its factorization.

29148619249920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105346 (or 105332 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 66.

The spelling of 29148619249920 in words is "twenty-nine trillion, one hundred forty-eight billion, six hundred nineteen million, two hundred forty-nine thousand, nine hundred twenty".