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102010120989 = 3737131287157
BaseRepresentation
bin101111100000001000…
…1101110101100011101
3100202022021001001212020
41133000101232230131
53132404042332424
6114510210530353
710240622502360
oct1370021565435
9322267031766
10102010120989
113a298065817
121792ab969b9
1398090bb74a
144d19dd20d7
1529c094b079
hex17c046eb1d

102010120989 has 16 divisors (see below), whose sum is σ = 159645184128. Its totient is φ = 56716051392.

The previous prime is 102010120963. The next prime is 102010120997. The reversal of 102010120989 is 989021010201.

It is not a de Polignac number, because 102010120989 - 213 = 102010112797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102010120999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65642802 + ... + 65644355.

It is an arithmetic number, because the mean of its divisors is an integer number (9977824008).

Almost surely, 2102010120989 is an apocalyptic number.

It is an amenable number.

102010120989 is a deficient number, since it is larger than the sum of its proper divisors (57635063139).

102010120989 is a wasteful number, since it uses less digits than its factorization.

102010120989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131287204.

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 102010120989 in words is "one hundred two billion, ten million, one hundred twenty thousand, nine hundred eighty-nine".

Divisors: 1 3 7 21 37 111 259 777 131287157 393861471 919010099 2757030297 4857624809 14572874427 34003373663 102010120989