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10102201201987 is a prime number
BaseRepresentation
bin1001001100000001101000…
…0111010011010101000011
31022202202112202211020112121
42103000122013103111003
52311003302001430422
633252515343305111
72061600651256306
oct223003207232503
938682482736477
1010102201201987
11324535723a814
121171a5a8ab197
135838309ca73b
1426cd40660b3d
15127bac5358c7
hex9301a1d3543

10102201201987 has 2 divisors, whose sum is σ = 10102201201988. Its totient is φ = 10102201201986.

The previous prime is 10102201201927. The next prime is 10102201202017. The reversal of 10102201201987 is 78910210220101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10102201201987 - 235 = 10067841463619 is a prime.

It is not a weakly prime, because it can be changed into another prime (10102201201927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051100600993 + 5051100600994.

It is an arithmetic number, because the mean of its divisors is an integer number (5051100600994).

Almost surely, 210102201201987 is an apocalyptic number.

10102201201987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10102201201987 is an equidigital number, since it uses as much as digits as its factorization.

10102201201987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 34.

The spelling of 10102201201987 in words is "ten trillion, one hundred two billion, two hundred one million, two hundred one thousand, nine hundred eighty-seven".