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29042926500640 = 2551329866355579
BaseRepresentation
bin1101001101010000101010…
…10100010011101100100000
310210211110212111001111200011
412212220111110103230200
512301314403141010030
6141434045232334304
76055165536023623
oct646502524235440
9123743774044604
1029042926500640
119288043953478
1233108693a4394
131328975614c60
14725984063dba
15355716e20b2a
hex1a6a15513b20

29042926500640 has 192 divisors, whose sum is σ = 76450103251200. Its totient is φ = 10352383340544.

The previous prime is 29042926500481. The next prime is 29042926500661. The reversal of 29042926500640 is 4600562924092.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 522524371 + ... + 522579949.

It is an arithmetic number, because the mean of its divisors is an integer number (398177621100).

Almost surely, 229042926500640 is an apocalyptic number.

29042926500640 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 29042926500640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38225051625600).

29042926500640 is an abundant number, since it is smaller than the sum of its proper divisors (47407176750560).

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

29042926500640 is a wasteful number, since it uses less digits than its factorization.

29042926500640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64299 (or 64291 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 29042926500640 in words is "twenty-nine trillion, forty-two billion, nine hundred twenty-six million, five hundred thousand, six hundred forty".