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86203897907 = 207869414703
BaseRepresentation
bin101000001001000100…
…1110001100000110011
322020111200211202000112
41100102021301200303
52403021144213112
6103333532411535
76141133020341
oct1202211614063
9266450752015
1086203897907
1133616942436
1214859616bab
13818a52111a
14425aaa2991
152397e80a22
hex1412271833

86203897907 has 4 divisors (see below), whose sum is σ = 86204520480. Its totient is φ = 86203275336.

The previous prime is 86203897877. The next prime is 86203897933. The reversal of 86203897907 is 70979830268.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-86203897907 is a prime.

It is a super-2 number, since 2×862038979072 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86203897957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518 + ... + 415220.

It is an arithmetic number, because the mean of its divisors is an integer number (21551130120).

Almost surely, 286203897907 is an apocalyptic number.

86203897907 is a deficient number, since it is larger than the sum of its proper divisors (622573).

86203897907 is a wasteful number, since it uses less digits than its factorization.

86203897907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622572.

The product of its (nonzero) digits is 9144576, while the sum is 59.

The spelling of 86203897907 in words is "eighty-six billion, two hundred three million, eight hundred ninety-seven thousand, nine hundred seven".

Divisors: 1 207869 414703 86203897907