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102010120321 = 1756318315821
BaseRepresentation
bin101111100000001000…
…1101110100010000001
3100202022021001000221111
41133000101232202001
53132404042322241
6114510210523321
710240622500414
oct1370021564201
9322267030844
10102010120321
113a29806526a
121792ab96541
1398090bb355
144d19dd1b7b
1529c094ac81
hex17c046e881

102010120321 has 16 divisors (see below), whose sum is σ = 108280257408. Its totient is φ = 95770195200.

The previous prime is 102010120309. The next prime is 102010120351. The reversal of 102010120321 is 123021010201.

It is a cyclic number.

It is not a de Polignac number, because 102010120321 - 227 = 101875902593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102010120351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17521591 + ... + 17527411.

It is an arithmetic number, because the mean of its divisors is an integer number (6767516088).

Almost surely, 2102010120321 is an apocalyptic number.

It is an amenable number.

102010120321 is a deficient number, since it is larger than the sum of its proper divisors (6270137087).

102010120321 is a wasteful number, since it uses less digits than its factorization.

102010120321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8232.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 102010120321 its reverse (123021010201), we get a palindrome (225031130522).

The spelling of 102010120321 in words is "one hundred two billion, ten million, one hundred twenty thousand, three hundred twenty-one".

Divisors: 1 17 563 1831 5821 9571 31127 98957 1030853 3277223 10658251 17524501 55712791 181190267 6000595313 102010120321