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142720552858 = 21333116583843
BaseRepresentation
bin1000010011101011001…
…1101100111110011010
3111122101102220021200011
42010322303230332122
54314242430142413
6145322004432134
713211514453202
oct2047263547632
9448342807604
10142720552858
1155589038834
12237b09a864a
13105c63c36a0
146c9ca91402
153aa49b633d
hex213acecf9a

142720552858 has 16 divisors (see below), whose sum is σ = 231245120736. Its totient is φ = 65672014320.

The previous prime is 142720552853. The next prime is 142720552889. The reversal of 142720552858 is 858255027241.

It is not an unprimeable number, because it can be changed into a prime (142720552853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8283316 + ... + 8300527.

It is an arithmetic number, because the mean of its divisors is an integer number (14452820046).

Almost surely, 2142720552858 is an apocalyptic number.

142720552858 is a deficient number, since it is larger than the sum of its proper divisors (88524567878).

142720552858 is a wasteful number, since it uses less digits than its factorization.

142720552858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16584189.

The product of its (nonzero) digits is 1792000, while the sum is 49.

The spelling of 142720552858 in words is "one hundred forty-two billion, seven hundred twenty million, five hundred fifty-two thousand, eight hundred fifty-eight".

Divisors: 1 2 13 26 331 662 4303 8606 16583843 33167686 215589959 431179918 5489252033 10978504066 71360276429 142720552858