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102203955983 is a prime number
BaseRepresentation
bin101111100101111010…
…1001001101100001111
3100202210202202220111002
41133023311021230033
53133303203042413
6114541333250515
710245465202103
oct1371365115417
9322722686432
10102203955983
113a387517928
1217983a93a3b
13983a2c78cc
144d37a4b903
1529d2988958
hex17cbd49b0f

102203955983 has 2 divisors, whose sum is σ = 102203955984. Its totient is φ = 102203955982.

The previous prime is 102203955977. The next prime is 102203956009. The reversal of 102203955983 is 389559302201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102203955983 - 24 = 102203955967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102203955283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51101977991 + 51101977992.

It is an arithmetic number, because the mean of its divisors is an integer number (51101977992).

Almost surely, 2102203955983 is an apocalyptic number.

102203955983 is a deficient number, since it is larger than the sum of its proper divisors (1).

102203955983 is an equidigital number, since it uses as much as digits as its factorization.

102203955983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 47.

The spelling of 102203955983 in words is "one hundred two billion, two hundred three million, nine hundred fifty-five thousand, nine hundred eighty-three".