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1012101100 = 225212779693
BaseRepresentation
bin111100010100110…
…110111111101100
32121112110001200221
4330110312333230
54033044213400
6244232501124
734036501033
oct7424667754
92545401627
101012101100
1147a33959a
12242b4a7a4
131318b61ba
14985bb71a
155dcc1c1a
hex3c536fec

1012101100 has 36 divisors (see below), whose sum is σ = 2213580544. Its totient is φ = 401647680.

The previous prime is 1012101061. The next prime is 1012101109. The reversal of 1012101100 is 11012101.

It is not an unprimeable number, because it can be changed into a prime (1012101109) 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 11 ways as a sum of consecutive naturals, for example, 27147 + ... + 52546.

Almost surely, 21012101100 is an apocalyptic number.

1012101100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012101100 is an abundant number, since it is smaller than the sum of its proper divisors (1201479444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012101100 is a wasteful number, since it uses less digits than its factorization.

1012101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79834 (or 79827 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 1012101100 is about 31813.5364271249. The cubic root of 1012101100 is about 1004.0175377751.

Adding to 1012101100 its reverse (11012101), we get a palindrome (1023113201).

The spelling of 1012101100 in words is "one billion, twelve million, one hundred one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 127 254 508 635 1270 2540 3175 6350 12700 79693 159386 318772 398465 796930 1593860 1992325 3984650 7969300 10121011 20242022 40484044 50605055 101210110 202420220 253025275 506050550 1012101100