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121300131000100 = 225213102719084587
BaseRepresentation
bin11011100101001001100011…
…001110000010111100100100
3120220111011211200121222112011
4123211021203032002330210
5111344340132014000400
61105552302204204004
734356434216303203
oct3345114316027444
9526434750558464
10121300131000100
1135717107730748
1211730940539604
13528b7266ccb60
1421d4d59b9923a
15e05464d058ba
hex6e5263382f24

121300131000100 has 72 divisors (see below), whose sum is σ = 283496705549568. Its totient is φ = 44783375145600.

The previous prime is 121300131000047. The next prime is 121300131000161. The reversal of 121300131000100 is 1000131003121.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8810007 + ... + 17894593.

It is an arithmetic number, because the mean of its divisors is an integer number (3937454243744).

Almost surely, 2121300131000100 is an apocalyptic number.

121300131000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121300131000100 is an abundant number, since it is smaller than the sum of its proper divisors (162196574549468).

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

121300131000100 is a wasteful number, since it uses less digits than its factorization.

121300131000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9094885 (or 9094878 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 121300131000100 its reverse (1000131003121), we get a palindrome (122300262003221).

The spelling of 121300131000100 in words is "one hundred twenty-one trillion, three hundred billion, one hundred thirty-one million, one hundred", and thus it is an aban number.

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 1300 10271 20542 41084 51355 102710 133523 205420 256775 267046 513550 534092 667615 1027100 1335230 2670460 3338075 6676150 9084587 13352300 18169174 36338348 45422935 90845870 118099631 181691740 227114675 236199262 454229350 472398524 590498155 908458700 1180996310 2361992620 2952490775 5904981550 11809963100 93307793077 186615586154 373231172308 466538965385 933077930770 1213001310001 1866155861540 2332694826925 2426002620002 4665389653850 4852005240004 6065006550005 9330779307700 12130013100010 24260026200020 30325032750025 60650065500050 121300131000100