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1010243143 = 72136125999
BaseRepresentation
bin111100001101110…
…001011001000111
32121101221200001201
4330031301121013
54032110240033
6244125003331
734014632200
oct7415613107
92541850051
101010243143
1147928a698
122423b3547
131313b5610
14982565a7
155da5647d
hex3c371647

1010243143 has 24 divisors (see below), whose sum is σ = 1286376000. Its totient is φ = 786179520.

The previous prime is 1010243119. The next prime is 1010243147. The reversal of 1010243143 is 3413420101.

It is not a de Polignac number, because 1010243143 - 221 = 1008145991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1010243143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010243147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25858 + ... + 51856.

It is an arithmetic number, because the mean of its divisors is an integer number (53599000).

Almost surely, 21010243143 is an apocalyptic number.

1010243143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1010243143 is a deficient number, since it is larger than the sum of its proper divisors (276132857).

1010243143 is a wasteful number, since it uses less digits than its factorization.

1010243143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26087 (or 26080 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1010243143 is about 31784.3222831634. The cubic root of 1010243143 is about 1003.4027888941.

Adding to 1010243143 its reverse (3413420101), we get a palindrome (4423663244).

The spelling of 1010243143 in words is "one billion, ten million, two hundred forty-three thousand, one hundred forty-three".

Divisors: 1 7 13 49 61 91 427 637 793 2989 5551 25999 38857 181993 337987 1273951 1585939 2365909 11101573 16561363 20617207 77711011 144320449 1010243143