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102220202207 = 176012953071
BaseRepresentation
bin101111100110011001…
…1001000000011011111
3100202211220100022010002
41133030303020003133
53133321332432312
6114543113404515
710246053245144
oct1371463100337
9322756308102
10102220202207
113a395703962
121798940973b
139840795566
144d39c7a3cb
1529d40e74c2
hex17cccc80df

102220202207 has 4 divisors (see below), whose sum is σ = 108233155296. Its totient is φ = 96207249120.

The previous prime is 102220202171. The next prime is 102220202209. The reversal of 102220202207 is 702202022201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102220202207 - 228 = 101951766751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102220202209) 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, 3006476519 + ... + 3006476552.

It is an arithmetic number, because the mean of its divisors is an integer number (27058288824).

Almost surely, 2102220202207 is an apocalyptic number.

102220202207 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

102220202207 is a deficient number, since it is larger than the sum of its proper divisors (6012953089).

102220202207 is an equidigital number, since it uses as much as digits as its factorization.

102220202207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6012953088.

The product of its (nonzero) digits is 448, while the sum is 20.

Adding to 102220202207 its reverse (702202022201), we get a palindrome (804422224408).

The spelling of 102220202207 in words is "one hundred two billion, two hundred twenty million, two hundred two thousand, two hundred seven".

Divisors: 1 17 6012953071 102220202207