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23145242124 = 2232179885163
BaseRepresentation
bin10101100011100100…
…000101111000001100
32012202000212010022210
4111203210011320030
5334400140221444
614344402510420
71446363212004
oct254344057014
965660763283
1023145242124
1198a7981a84
12459b365410
13224b1b3554
141197cd9004
15906e4e7b9
hex563905e0c

23145242124 has 24 divisors (see below), whose sum is σ = 54030410560. Its totient is φ = 7711531344.

The previous prime is 23145242119. The next prime is 23145242147. The reversal of 23145242124 is 42124254132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23145242091 and 23145242100.

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, 416434 + ... + 468729.

Almost surely, 223145242124 is an apocalyptic number.

It is an amenable number.

23145242124 is an abundant number, since it is smaller than the sum of its proper divisors (30885168436).

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

23145242124 is a wasteful number, since it uses less digits than its factorization.

23145242124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887349 (or 887347 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

Adding to 23145242124 its reverse (42124254132), we get a palindrome (65269496256).

The spelling of 23145242124 in words is "twenty-three billion, one hundred forty-five million, two hundred forty-two thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 2179 4358 6537 8716 13074 26148 885163 1770326 2655489 3540652 5310978 10621956 1928770177 3857540354 5786310531 7715080708 11572621062 23145242124