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133111231232120 = 23529346933079003
BaseRepresentation
bin11110010001000001011111…
…101001110011100001111000
3122110022022100120110121112122
4132101001133221303201320
5114421343300143411440
61151034242212500412
740015653253634201
oct3621013751634170
9573268316417478
10133111231232120
1139460179911a19
1212b19a2201a708
1359374486c01ab
1424c28919b85a8
15105c7de03e7b5
hex79105fa73878

133111231232120 has 64 divisors (see below), whose sum is σ = 309917188476000. Its totient is φ = 51393654563328.

The previous prime is 133111231232101. The next prime is 133111231232153. The reversal of 133111231232120 is 21232132111331.

It is a self number, because there is not a number n which added to its sum of digits gives 133111231232120.

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, 12515462 + ... + 20563541.

Almost surely, 2133111231232120 is an apocalyptic number.

133111231232120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133111231232120 is an abundant number, since it is smaller than the sum of its proper divisors (176805957243880).

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

133111231232120 is a wasteful number, since it uses less digits than its factorization.

133111231232120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33082512 (or 33082508 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 133111231232120 its reverse (21232132111331), we get a palindrome (154343363343451).

The spelling of 133111231232120 in words is "one hundred thirty-three trillion, one hundred eleven billion, two hundred thirty-one million, two hundred thirty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 29 40 58 116 145 232 290 580 1160 3469 6938 13876 17345 27752 34690 69380 100601 138760 201202 402404 503005 804808 1006010 2012020 4024040 33079003 66158006 132316012 165395015 264632024 330790030 661580060 959291087 1323160120 1918582174 3837164348 4796455435 7674328696 9592910870 19185821740 38371643480 114751061407 229502122814 459004245628 573755307035 918008491256 1147510614070 2295021228140 3327780780803 4590042456280 6655561561606 13311123123212 16638903904015 26622246246424 33277807808030 66555615616060 133111231232120