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126831401152 = 2617620318793
BaseRepresentation
bin111011000011110111…
…1011001100011000000
3110010101002122202010221
41312013233121203000
54034222314314102
6134133205032424
712110000056561
oct1660757314300
9403332582127
10126831401152
11498750239a5
12206b76b5714
13bc635ab981
1461d2736168
153474ab9637
hex1d87bd98c0

126831401152 has 56 divisors (see below), whose sum is σ = 266542973136. Its totient is φ = 59672567808.

The previous prime is 126831401141. The next prime is 126831401161. The reversal of 126831401152 is 251104138621.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6739468 + ... + 6758260.

Almost surely, 2126831401152 is an apocalyptic number.

It is an amenable number.

126831401152 is an abundant number, since it is smaller than the sum of its proper divisors (139711571984).

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

126831401152 is a wasteful number, since it uses less digits than its factorization.

126831401152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25025 (or 25015 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

Adding to 126831401152 its reverse (251104138621), we get a palindrome (377935539773).

The spelling of 126831401152 in words is "one hundred twenty-six billion, eight hundred thirty-one million, four hundred one thousand, one hundred fifty-two".

Divisors: 1 2 4 8 16 17 32 34 64 68 136 272 544 1088 6203 12406 18793 24812 37586 49624 75172 99248 105451 150344 198496 210902 300688 319481 396992 421804 601376 638962 843608 1202752 1277924 1687216 2555848 3374432 5111696 6748864 10223392 20446784 116572979 233145958 466291916 932583832 1865167664 1981740643 3730335328 3963481286 7460670656 7926962572 15853925144 31707850288 63415700576 126831401152