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3144123020 = 225433655957
BaseRepresentation
bin1011101101100111…
…1000001010001100
322010010012222221202
42323121320022030
522414343414040
61235553245032
7140625414263
oct27331701214
98103188852
103144123020
111373859185
12738b63778
133b150642c
1421b8015da
15136062015
hexbb67828c

3144123020 has 24 divisors (see below), whose sum is σ = 6756210384. Its totient is φ = 1228401216.

The previous prime is 3144122963. The next prime is 3144123041. The reversal of 3144123020 is 203214413.

3144123020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3144122983 and 3144123001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1827119 + ... + 1828838.

It is an arithmetic number, because the mean of its divisors is an integer number (281508766).

Almost surely, 23144123020 is an apocalyptic number.

It is an amenable number.

3144123020 is an abundant number, since it is smaller than the sum of its proper divisors (3612087364).

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

3144123020 is a wasteful number, since it uses less digits than its factorization.

3144123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656009 (or 3656007 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3144123020 is about 56072.4800592947. The cubic root of 3144123020 is about 1464.9849959830.

Adding to 3144123020 its reverse (203214413), we get a palindrome (3347337433).

The spelling of 3144123020 in words is "three billion, one hundred forty-four million, one hundred twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 3655957 7311914 14623828 18279785 36559570 73119140 157206151 314412302 628824604 786030755 1572061510 3144123020