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3142220520 = 233526185171
BaseRepresentation
bin1011101101001010…
…0111101011101000
322002222122100012210
42323102213223220
522413402024040
61235444405120
7140603301525
oct27322475350
98088570183
103142220520
11137277986a
127383a67a0
133b0cbb4aa
1421b46814c
15135cd8480
hexbb4a7ae8

3142220520 has 32 divisors (see below), whose sum is σ = 9426661920. Its totient is φ = 837925440.

The previous prime is 3142220519. The next prime is 3142220537. The reversal of 3142220520 is 250222413.

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, 13092466 + ... + 13092705.

It is an arithmetic number, because the mean of its divisors is an integer number (294583185).

Almost surely, 23142220520 is an apocalyptic number.

3142220520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3142220520 is an abundant number, since it is smaller than the sum of its proper divisors (6284441400).

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

3142220520 is a wasteful number, since it uses less digits than its factorization.

3142220520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26185185 (or 26185181 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 3142220520 is about 56055.5128421817. The cubic root of 3142220520 is about 1464.6894502628.

Adding to 3142220520 its reverse (250222413), we get a palindrome (3392442933).

The spelling of 3142220520 in words is "three billion, one hundred forty-two million, two hundred twenty thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 26185171 52370342 78555513 104740684 130925855 157111026 209481368 261851710 314222052 392777565 523703420 628444104 785555130 1047406840 1571110260 3142220520