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123103313203232 = 2517479887486977
BaseRepresentation
bin11011111111011000111001…
…010000010001000000100000
3121010212120011120001211001002
4123333120321100101000200
5112113411041140000412
61113452514212531132
734633630601162345
oct3377307120210040
9533776146054032
10123103313203232
113625190500867a
12119822b6620aa8
13538c791cc219b
14225833703c7cc
15e372edde3dc2
hex6ff639411020

123103313203232 has 96 divisors (see below), whose sum is σ = 262103060072448. Its totient is φ = 56692546011136.

The previous prime is 123103313203231. The next prime is 123103313203267. The reversal of 123103313203232 is 232302313301321.

It is a super-3 number, since 3×1231033132032323 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 123103313203195 and 123103313203204.

It is not an unprimeable number, because it can be changed into a prime (123103313203231) 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, 252547328 + ... + 253034304.

It is an arithmetic number, because the mean of its divisors is an integer number (2730240209088).

Almost surely, 2123103313203232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123103313203232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131051530036224).

123103313203232 is an abundant number, since it is smaller than the sum of its proper divisors (138999746869216).

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

123103313203232 is a wasteful number, since it uses less digits than its factorization.

123103313203232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496938 (or 496930 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 123103313203232 its reverse (232302313301321), we get a palindrome (355405626504553).

The spelling of 123103313203232 in words is "one hundred twenty-three trillion, one hundred three billion, three hundred thirteen million, two hundred three thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 17 32 34 47 68 94 136 188 272 376 544 752 799 1504 1598 3196 6392 9887 12784 19774 25568 39548 79096 158192 168079 316384 336158 464689 486977 672316 929378 973954 1344632 1858756 1947908 2689264 3717512 3895816 5378528 7435024 7791632 7899713 8278609 14870048 15583264 15799426 16557218 22887919 31598852 33114436 45775838 63197704 66228872 91551676 126395408 132457744 183103352 252790816 264915488 366206704 389094623 732413408 778189246 1556378492 3112756984 4814741599 6225513968 9629483198 12451027936 19258966396 38517932792 77035865584 81850607183 154071731168 163701214366 226292855153 327402428732 452585710306 654804857464 905171420612 1309609714928 1810342841224 2619219429856 3620685682448 3846978537601 7241371364896 7693957075202 15387914150404 30775828300808 61551656601616 123103313203232