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21470547200514 = 2311376293145511
BaseRepresentation
bin1001110000111000000000…
…10101101100101000000010
32211000120020100110101222220
410320130000111230220002
510303233140040404024
6113355233324111510
74344124114003236
oct470340025545002
984016210411886
1021470547200514
116928676182225
1224a9176995596
13bc9882805429
145432740005c6
15273771694e79
hex13870056ca02

21470547200514 has 16 divisors (see below), whose sum is σ = 42941145798720. Its totient is φ = 7156840500560.

The previous prime is 21470547200491. The next prime is 21470547200539. The reversal of 21470547200514 is 41500274507412.

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, 5253019 + ... + 8398529.

It is an arithmetic number, because the mean of its divisors is an integer number (2683821612420).

Almost surely, 221470547200514 is an apocalyptic number.

21470547200514 is an abundant number, since it is smaller than the sum of its proper divisors (21470598598206).

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

21470547200514 is a wasteful number, since it uses less digits than its factorization.

21470547200514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4283145.

The product of its (nonzero) digits is 313600, while the sum is 42.

The spelling of 21470547200514 in words is "twenty-one trillion, four hundred seventy billion, five hundred forty-seven million, two hundred thousand, five hundred fourteen".

Divisors: 1 2 3 6 1137629 2275258 3145511 3412887 6291022 6825774 9436533 18873066 3578424533419 7156849066838 10735273600257 21470547200514