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3120012144 = 2432107202493
BaseRepresentation
bin1011100111110111…
…1001101101110000
322001102212001001100
42321331321231300
522342210342034
61233332404400
7140213444214
oct27175715560
98042761040
103120012144
111361190337
12730a76700
133a9513b42
14218526944
15133d9d099
hexb9f79b70

3120012144 has 60 divisors (see below), whose sum is σ = 8813348856. Its totient is φ = 1030279296.

The previous prime is 3120012101. The next prime is 3120012163. The reversal of 3120012144 is 4412100213.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85839 + ... + 116654.

Almost surely, 23120012144 is an apocalyptic number.

It is an amenable number.

3120012144 is an abundant number, since it is smaller than the sum of its proper divisors (5693336712).

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

3120012144 is a wasteful number, since it uses less digits than its factorization.

3120012144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202614 (or 202605 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 3120012144 is about 55857.0688812079. The cubic root of 3120012144 is about 1461.2306106607.

Adding to 3120012144 its reverse (4412100213), we get a palindrome (7532112357).

The spelling of 3120012144 in words is "three billion, one hundred twenty million, twelve thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 107 144 214 321 428 642 856 963 1284 1712 1926 2568 3852 5136 7704 15408 202493 404986 607479 809972 1214958 1619944 1822437 2429916 3239888 3644874 4859832 7289748 9719664 14579496 21666751 29158992 43333502 65000253 86667004 130000506 173334008 195000759 260001012 346668016 390001518 520002024 780003036 1040004048 1560006072 3120012144