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3123201012 = 223260266751
BaseRepresentation
bin1011101000101000…
…0100001111110100
322001122212001100120
42322022010033310
522344014413022
61233525011540
7140252525211
oct27212041764
98048761316
103123201012
111362a69168
12731b53bb0
133aa08c449
14218b16b08
151342ccd5c
hexba2843f4

3123201012 has 12 divisors (see below), whose sum is σ = 7287469056. Its totient is φ = 1041067000.

The previous prime is 3123201001. The next prime is 3123201031. The reversal of 3123201012 is 2101023213.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×31232010122 = 19508769122715648288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3123200982 and 3123201000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130133364 + ... + 130133387.

It is an arithmetic number, because the mean of its divisors is an integer number (607289088).

Almost surely, 23123201012 is an apocalyptic number.

It is an amenable number.

3123201012 is an abundant number, since it is smaller than the sum of its proper divisors (4164268044).

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

3123201012 is a wasteful number, since it uses less digits than its factorization.

3123201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260266758 (or 260266756 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3123201012 is about 55885.6064832440. The cubic root of 3123201012 is about 1461.7282673704.

Adding to 3123201012 its reverse (2101023213), we get a palindrome (5224224225).

The spelling of 3123201012 in words is "three billion, one hundred twenty-three million, two hundred one thousand, twelve".

Divisors: 1 2 3 4 6 12 260266751 520533502 780800253 1041067004 1561600506 3123201012