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12445800012458 = 2419134871101193
BaseRepresentation
bin1011010100011100001101…
…1111010001101010101010
31122001210210012110011121222
42311013003133101222222
53112402444300344313
642245304355302042
72423115345416441
oct265070337215252
948053705404558
1012445800012458
113a6926371146a
1214900b52aa922
136c38318c77c7
1431054677dd58
15168b255d3208
hexb51c37d1aaa

12445800012458 has 16 divisors (see below), whose sum is σ = 18714659886720. Its totient is φ = 6207582280416.

The previous prime is 12445800012449. The next prime is 12445800012473. The reversal of 12445800012458 is 85421000854421.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10751510 + ... + 11852702.

It is an arithmetic number, because the mean of its divisors is an integer number (1169666242920).

Almost surely, 212445800012458 is an apocalyptic number.

12445800012458 is a deficient number, since it is larger than the sum of its proper divisors (6268859874262).

12445800012458 is a wasteful number, since it uses less digits than its factorization.

12445800012458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115101.

The product of its (nonzero) digits is 409600, while the sum is 44.

Adding to 12445800012458 its reverse (85421000854421), we get a palindrome (97866800866879).

The spelling of 12445800012458 in words is "twelve trillion, four hundred forty-five billion, eight hundred million, twelve thousand, four hundred fifty-eight".

Divisors: 1 2 419 838 13487 26974 1101193 2202386 5651053 11302106 461399867 922799734 14851789991 29703579982 6222900006229 12445800012458