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29764074240 = 283358211049
BaseRepresentation
bin11011101110000100…
…111011101100000000
32211211022100122002000
4123232010323230000
5441424100333430
621401243224000
72102403312435
oct335604735400
984738318060
1029764074240
111169405356a
125927b18000
132a6453c864
141624d93b8c
15b93074e60
hex6ee13bb00

29764074240 has 288 divisors, whose sum is σ = 105850584000. Its totient is φ = 7919861760.

The previous prime is 29764074233. The next prime is 29764074253. The reversal of 29764074240 is 4247046792.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28373236 + ... + 28374284.

It is an arithmetic number, because the mean of its divisors is an integer number (367536750).

Almost surely, 229764074240 is an apocalyptic number.

29764074240 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 29764074240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52925292000).

29764074240 is an abundant number, since it is smaller than the sum of its proper divisors (76086509760).

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

29764074240 is a wasteful number, since it uses less digits than its factorization.

29764074240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900 (or 1880 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 29764074240 in words is "twenty-nine billion, seven hundred sixty-four million, seventy-four thousand, two hundred forty".