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12472105400132 = 227338892337479
BaseRepresentation
bin1011010101111110001101…
…1010010111011101000100
31122011022200110200022200112
42311133203122113131010
53113320332440301012
642305334531132152
72425036253501000
oct265374332273504
948138613608615
1012472105400132
113a79432395584
121495216a44058
136c6164704361
1431192024b700
15169664bac122
hexb57e3697744

12472105400132 has 48 divisors (see below), whose sum is σ = 25459832160000. Its totient is φ = 5343811304832.

The previous prime is 12472105400107. The next prime is 12472105400143. The reversal of 12472105400132 is 23100450127421.

It is a happy number.

It is a super-2 number, since 2×124721054001322 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4166969 + ... + 6504447.

It is an arithmetic number, because the mean of its divisors is an integer number (530413170000).

Almost surely, 212472105400132 is an apocalyptic number.

It is an amenable number.

12472105400132 is an abundant number, since it is smaller than the sum of its proper divisors (12987726759868).

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

12472105400132 is a wasteful number, since it uses less digits than its factorization.

12472105400132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341393 (or 2341377 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

Adding to 12472105400132 its reverse (23100450127421), we get a palindrome (35572555527553).

The spelling of 12472105400132 in words is "twelve trillion, four hundred seventy-two billion, one hundred five million, four hundred thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 49 98 196 343 686 1372 3889 7778 15556 27223 54446 108892 190561 381122 762244 1333927 2337479 2667854 4674958 5335708 9349916 16362353 32724706 65449412 114536471 229072942 458145884 801755297 1603510594 3207021188 9090455831 18180911662 36361823324 63633190817 127266381634 254532763268 445432335719 890864671438 1781729342876 3118026350033 6236052700066 12472105400132