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7142229120 = 273513535399
BaseRepresentation
bin1101010011011010…
…11100010010000000
3200102202100211110110
412221231130102000
5104111402312440
63140414431320
7341663642265
oct65155342200
920382324413
107142229120
1130356694a4
121473b02540
1389a913aa0
144ba7c126c
152bc061080
hex1a9b5c480

7142229120 has 256 divisors, whose sum is σ = 24984288000. Its totient is φ = 1724596224.

The previous prime is 7142229089. The next prime is 7142229139. The reversal of 7142229120 is 219222417.

It is a super-2 number, since 2×71422291202 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1320181 + ... + 1325579.

It is an arithmetic number, because the mean of its divisors is an integer number (97594875).

Almost surely, 27142229120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7142229120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12492144000).

7142229120 is an abundant number, since it is smaller than the sum of its proper divisors (17842058880).

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

7142229120 is a wasteful number, since it uses less digits than its factorization.

7142229120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5487 (or 5475 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 7142229120 is about 84511.7099578514. The cubic root of 7142229120 is about 1925.8003414028.

The spelling of 7142229120 in words is "seven billion, one hundred forty-two million, two hundred twenty-nine thousand, one hundred twenty".