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102201321019 = 771920306243
BaseRepresentation
bin101111100101110101…
…1000110011000111011
3100202210120211000222211
41133023223012120323
53133302014233034
6114541200555551
710245433616020
oct1371353063073
9322716730884
10102201321019
113a385a88176
1217983022bb7
1398398b4465
144d37563547
1529d2617d64
hex17cbac663b

102201321019 has 8 divisors (see below), whose sum is σ = 116963965440. Its totient is φ = 87479290536.

The previous prime is 102201320993. The next prime is 102201321029. The reversal of 102201321019 is 910123102201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102201321019 - 217 = 102201189947 is a prime.

It is a super-2 number, since 2×1022013210192 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102201321029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10148089 + ... + 10158154.

It is an arithmetic number, because the mean of its divisors is an integer number (14620495680).

Almost surely, 2102201321019 is an apocalyptic number.

102201321019 is a deficient number, since it is larger than the sum of its proper divisors (14762644421).

102201321019 is an equidigital number, since it uses as much as digits as its factorization.

102201321019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20306969.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 102201321019 in words is "one hundred two billion, two hundred one million, three hundred twenty-one thousand, nineteen".

Divisors: 1 7 719 5033 20306243 142143701 14600188717 102201321019