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12448900046890 = 2529145129584591
BaseRepresentation
bin1011010100100111110001…
…0000111110000000101010
31122002002210020201020102001
42311021330100332000222
53112430321403000030
642250540140001214
72423255230316626
oct265117420760052
948062706636361
1012448900046890
113a6a60459719a
12149081b53020a
136c3c06c353c8
1431075c386186
15168c57836cca
hexb527c43e02a

12448900046890 has 32 divisors (see below), whose sum is σ = 23196686895360. Its totient is φ = 4804537416000.

The previous prime is 12448900046887. The next prime is 12448900046897. The reversal of 12448900046890 is 9864000984421.

It is a happy number.

It is a super-2 number, since 2×124489000468902 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12448900046897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14371506 + ... + 15213085.

It is an arithmetic number, because the mean of its divisors is an integer number (724896465480).

Almost surely, 212448900046890 is an apocalyptic number.

12448900046890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12448900046890 is a deficient number, since it is larger than the sum of its proper divisors (10747786848470).

12448900046890 is a wasteful number, since it uses less digits than its factorization.

12448900046890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29586078.

The product of its (nonzero) digits is 3981312, while the sum is 55.

The spelling of 12448900046890 in words is "twelve trillion, four hundred forty-eight billion, nine hundred million, forty-six thousand, eight hundred ninety".

Divisors: 1 2 5 10 29 58 145 290 1451 2902 7255 14510 42079 84158 210395 420790 29584591 59169182 147922955 295845910 857953139 1715906278 4289765695 8579531390 42927241541 85854483082 214636207705 429272415410 1244890004689 2489780009378 6224450023445 12448900046890