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7143571442 = 271499340397
BaseRepresentation
bin1101010011100101…
…00011111111110010
3200102211220000210002
412221302203333302
5104112223241232
63140503310002
7342011232620
oct65162437762
920384800702
107143571442
1130363a5a57
12147444b302
1389ac93a67
144baa50510
152bc228b62
hex1a9ca3ff2

7143571442 has 16 divisors (see below), whose sum is σ = 12254328000. Its totient is φ = 3059479248.

The previous prime is 7143571433. The next prime is 7143571483. The reversal of 7143571442 is 2441753417.

It is a super-2 number, since 2×71435714422 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7143571396 and 7143571405.

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, 149213 + ... + 191184.

It is an arithmetic number, because the mean of its divisors is an integer number (765895500).

Almost surely, 27143571442 is an apocalyptic number.

7143571442 is a deficient number, since it is larger than the sum of its proper divisors (5110756558).

7143571442 is a wasteful number, since it uses less digits than its factorization.

7143571442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341905.

The product of its digits is 94080, while the sum is 38.

The square root of 7143571442 is about 84519.6512179268. The cubic root of 7143571442 is about 1925.9209798474.

The spelling of 7143571442 in words is "seven billion, one hundred forty-three million, five hundred seventy-one thousand, four hundred forty-two".

Divisors: 1 2 7 14 1499 2998 10493 20986 340397 680794 2382779 4765558 510255103 1020510206 3571785721 7143571442