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7144770740 = 2251103323879
BaseRepresentation
bin1101010011101110…
…01000110010110100
3200102221010221220112
412221313020302310
5104113030130430
63140545122152
7342024356252
oct65167106264
920387127815
107144770740
113037045008
121474929358
1389b2c38c3
144bac835d2
152bc3b4195
hex1a9dc8cb4

7144770740 has 24 divisors (see below), whose sum is σ = 15017667840. Its totient is φ = 2855308448.

The previous prime is 7144770739. The next prime is 7144770749. The reversal of 7144770740 is 470774417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7144770749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139880 + ... + 183999.

It is an arithmetic number, because the mean of its divisors is an integer number (625736160).

Almost surely, 27144770740 is an apocalyptic number.

It is an amenable number.

7144770740 is an abundant number, since it is smaller than the sum of its proper divisors (7872897100).

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

7144770740 is a wasteful number, since it uses less digits than its factorization.

7144770740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324991 (or 324989 counting only the distinct ones).

The product of its (nonzero) digits is 153664, while the sum is 41.

The square root of 7144770740 is about 84526.7457080893. The cubic root of 7144770740 is about 1926.0287515203.

The spelling of 7144770740 in words is "seven billion, one hundred forty-four million, seven hundred seventy thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 1103 2206 4412 5515 11030 22060 323879 647758 1295516 1619395 3238790 6477580 357238537 714477074 1428954148 1786192685 3572385370 7144770740