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12331020100 = 2252735714933
BaseRepresentation
bin10110111101111110…
…00110111101000100
31011211100222201120011
423132333012331010
5200223220120400
65355332320004
7614400640630
oct133677067504
934740881504
1012331020100
1152585a2a03
122481773004
1312169039c9
1484d987dc0
154c285a8ba
hex2defc6f44

12331020100 has 72 divisors (see below), whose sum is σ = 30595694528. Its totient is φ = 4225737600.

The previous prime is 12331020073. The next prime is 12331020109. The reversal of 12331020100 is 102013321.

It is not an unprimeable number, because it can be changed into a prime (12331020109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2497234 + ... + 2502166.

Almost surely, 212331020100 is an apocalyptic number.

12331020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12331020100 is an abundant number, since it is smaller than the sum of its proper divisors (18264674428).

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

12331020100 is a wasteful number, since it uses less digits than its factorization.

12331020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8525 (or 8518 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 12331020100 its reverse (102013321), we get a palindrome (12433033421).

The spelling of 12331020100 in words is "twelve billion, three hundred thirty-one million, twenty thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 3571 4933 7142 9866 14284 17855 19732 24665 24997 34531 35710 49330 49994 69062 71420 89275 98660 99988 123325 124985 138124 172655 178550 246650 249970 345310 357100 493300 499940 624925 690620 863275 1249850 1726550 2499700 3453100 17615743 35231486 70462972 88078715 123310201 176157430 246620402 352314860 440393575 493240804 616551005 880787150 1233102010 1761574300 2466204020 3082755025 6165510050 12331020100