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142877875346 = 271438937673
BaseRepresentation
bin1000010100010000101…
…1110101110010010010
3111122210101221002112222
42011010023311302102
54320103214002341
6145345344421042
713215434621303
oct2050413656222
9448711832488
10142877875346
1155659921518
1223835617782
131061cb8750b
146cb59247aa
153ab36e044b
hex21442f5c92

142877875346 has 4 divisors (see below), whose sum is σ = 214316813022. Its totient is φ = 71438937672.

The previous prime is 142877875279. The next prime is 142877875369. The reversal of 142877875346 is 643578778241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 142797073225 + 80802121 = 377885^2 + 8989^2 .

It is a super-2 number, since 2×1428778753462 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35719468835 + ... + 35719468838.

Almost surely, 2142877875346 is an apocalyptic number.

142877875346 is a deficient number, since it is larger than the sum of its proper divisors (71438937676).

142877875346 is an equidigital number, since it uses as much as digits as its factorization.

142877875346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71438937675.

The product of its digits is 63221760, while the sum is 62.

The spelling of 142877875346 in words is "one hundred forty-two billion, eight hundred seventy-seven million, eight hundred seventy-five thousand, three hundred forty-six".

Divisors: 1 2 71438937673 142877875346