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121513433010 = 23537889106903
BaseRepresentation
bin111000100101011000…
…0111101011110110010
3102121122110221222021220
41301022300331132302
53442324414324020
6131453354325510
711531134065354
oct1611260753662
9377573858256
10121513433010
114759618a802
121b672729896
13b5c6900968
145c4a3450d4
153262ca5240
hex1c4ac3d7b2

121513433010 has 32 divisors (see below), whose sum is σ = 291642664320. Its totient is φ = 32402423808.

The previous prime is 121513432993. The next prime is 121513433033. The reversal of 121513433010 is 10334315121.

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, 1083219 + ... + 1190121.

It is an arithmetic number, because the mean of its divisors is an integer number (9113833260).

Almost surely, 2121513433010 is an apocalyptic number.

121513433010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121513433010 is an abundant number, since it is smaller than the sum of its proper divisors (170129231310).

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

121513433010 is a wasteful number, since it uses less digits than its factorization.

121513433010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144802.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 121513433010 its reverse (10334315121), we get a palindrome (131847748131).

The spelling of 121513433010 in words is "one hundred twenty-one billion, five hundred thirteen million, four hundred thirty-three thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 37889 75778 106903 113667 189445 213806 227334 320709 378890 534515 568335 641418 1069030 1136670 1603545 3207090 4050447767 8100895534 12151343301 20252238835 24302686602 40504477670 60756716505 121513433010