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2120001108 = 2231033171023
BaseRepresentation
bin111111001011100…
…1010011001010100
312110202011012210120
41332113022121110
513320210013413
6550210551540
7103351466151
oct17627123124
95422135716
102120001108
1199875a235
124b1b985b0
1327a2a1934
141617b5228
15c61b8723
hex7e5ca654

2120001108 has 24 divisors (see below), whose sum is σ = 4951486848. Its totient is φ = 705978816.

The previous prime is 2120001083. The next prime is 2120001109. The reversal of 2120001108 is 8011000212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120001109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73116 + ... + 97907.

It is an arithmetic number, because the mean of its divisors is an integer number (206311952).

Almost surely, 22120001108 is an apocalyptic number.

It is an amenable number.

2120001108 is an abundant number, since it is smaller than the sum of its proper divisors (2831485740).

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

2120001108 is a wasteful number, since it uses less digits than its factorization.

2120001108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172063 (or 172061 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 2120001108 is about 46043.4697649949. The cubic root of 2120001108 is about 1284.6318815130.

The spelling of 2120001108 in words is "two billion, one hundred twenty million, one thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 1033 2066 3099 4132 6198 12396 171023 342046 513069 684092 1026138 2052276 176666759 353333518 530000277 706667036 1060000554 2120001108