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13124445506 = 249913150747
BaseRepresentation
bin11000011100100011…
…10010010101000010
31020212122221220121022
430032101302111002
5203334324224011
610010154225442
7643143642344
oct141621622502
936778856538
1013124445506
115625453187
122663425282
1313120c41b3
148c70c1294
1551c3348db
hex30e472542

13124445506 has 8 divisors (see below), whose sum is σ = 19726122000. Its totient is φ = 6549071508.

The previous prime is 13124445497. The next prime is 13124445533. The reversal of 13124445506 is 60554442131.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 6574376 + ... + 6576371.

It is an arithmetic number, because the mean of its divisors is an integer number (2465765250).

Almost surely, 213124445506 is an apocalyptic number.

13124445506 is a deficient number, since it is larger than the sum of its proper divisors (6601676494).

13124445506 is a wasteful number, since it uses less digits than its factorization.

13124445506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13151248.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 13124445506 its reverse (60554442131), we get a palindrome (73678887637).

The spelling of 13124445506 in words is "thirteen billion, one hundred twenty-four million, four hundred forty-five thousand, five hundred six".

Divisors: 1 2 499 998 13150747 26301494 6562222753 13124445506