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123301435511420 = 225109482211172939
BaseRepresentation
bin11100000010010001011010…
…010000111001001001111100
3121011120111120001010212121022
4130002101122100321021330
5112130132314442331140
61114123521505323312
734654143342051245
oct3402213220711174
9534514501125538
10123301435511420
1136318932980161
12119b4789336538
1353a53772bb6ca
142263b6d9c1ccc
15e3c5475b50b5
hex70245a43927c

123301435511420 has 48 divisors (see below), whose sum is σ = 261314188581600. Its totient is φ = 48867036791040.

The previous prime is 123301435511381. The next prime is 123301435511437. The reversal of 123301435511420 is 24115534103321.

It is a congruent number.

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, 104535311 + ... + 105708249.

It is an arithmetic number, because the mean of its divisors is an integer number (5444045595450).

Almost surely, 2123301435511420 is an apocalyptic number.

123301435511420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123301435511420 is an abundant number, since it is smaller than the sum of its proper divisors (138012753070180).

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

123301435511420 is a wasteful number, since it uses less digits than its factorization.

123301435511420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221278 (or 1221276 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 123301435511420 its reverse (24115534103321), we get a palindrome (147416969614741).

The spelling of 123301435511420 in words is "one hundred twenty-three trillion, three hundred one billion, four hundred thirty-five million, five hundred eleven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 109 218 436 545 1090 2180 48221 96442 192884 241105 482210 964420 1172939 2345878 4691756 5256089 5864695 10512178 11729390 21024356 23458780 26280445 52560890 105121780 127850351 255700702 511401404 639251755 1278503510 2557007020 56560291519 113120583038 226241166076 282801457595 565602915190 1131205830380 6165071775571 12330143551142 24660287102284 30825358877855 61650717755710 123301435511420