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2100031011012 = 2231119837332939
BaseRepresentation
bin11110100011110011100…
…110100011100011000100
321102202112202211201022210
4132203303212203203010
5233401330414323022
64244424012423420
7304502504032464
oct36436346434304
97382482751283
102100031011012
1173a688837a20
1229b000177b70
1312305561100c
14738dbaa3ba4
153995ece0a0c
hex1e8f39a38c4

2100031011012 has 48 divisors (see below), whose sum is σ = 5626877356800. Its totient is φ = 602879715360.

The previous prime is 2100031010971. The next prime is 2100031011049. The reversal of 2100031011012 is 2101101300012.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 418663962 + ... + 418668977.

It is an arithmetic number, because the mean of its divisors is an integer number (117226611600).

Almost surely, 22100031011012 is an apocalyptic number.

2100031011012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2100031011012 is an abundant number, since it is smaller than the sum of its proper divisors (3526846345788).

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

2100031011012 is a wasteful number, since it uses less digits than its factorization.

2100031011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837332976 (or 837332974 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 2100031011012 its reverse (2101101300012), we get a palindrome (4201132311024).

The spelling of 2100031011012 in words is "two trillion, one hundred billion, thirty-one million, eleven thousand, twelve".

Divisors: 1 2 3 4 6 11 12 19 22 33 38 44 57 66 76 114 132 209 228 418 627 836 1254 2508 837332939 1674665878 2511998817 3349331756 5023997634 9210662329 10047995268 15909325841 18421324658 27631986987 31818651682 36842649316 47727977523 55263973974 63637303364 95455955046 110527947948 175002584251 190911910092 350005168502 525007752753 700010337004 1050015505506 2100031011012