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29141278890 = 235971375963
BaseRepresentation
bin11011001000111101…
…001010000010101010
32210012220110100110120
4123020331022002222
5434140131411030
621215354424110
72051101532523
oct331075120252
983186410416
1029141278890
11113a4546169
125793432036
1329954c23b9
1415a639584a
15b58553010
hex6c8f4a0aa

29141278890 has 16 divisors (see below), whose sum is σ = 69939069408. Its totient is φ = 7771007696.

The previous prime is 29141278889. The next prime is 29141278949. The reversal of 29141278890 is 9887214192.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485687952 + ... + 485688011.

It is an arithmetic number, because the mean of its divisors is an integer number (4371191838).

Almost surely, 229141278890 is an apocalyptic number.

29141278890 is an abundant number, since it is smaller than the sum of its proper divisors (40797790518).

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

29141278890 is a wasteful number, since it uses less digits than its factorization.

29141278890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971375973.

The product of its (nonzero) digits is 580608, while the sum is 51.

The spelling of 29141278890 in words is "twenty-nine billion, one hundred forty-one million, two hundred seventy-eight thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 971375963 1942751926 2914127889 4856879815 5828255778 9713759630 14570639445 29141278890