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100105500550550 = 25211182010001001
BaseRepresentation
bin10110110000101110100000…
…110011001110010110010110
3111010102222210110012210100212
4112300232200303032112112
5101110112031120104200
6552523455421405422
730041245424054255
oct2660564063162626
9433388713183325
10100105500550550
1129995560352320
12b289149709872
1343b1ba63ccb11
141aa11bc5d079c
15b88e91887035
hex5b0ba0cce596

100105500550550 has 24 divisors (see below), whose sum is σ = 203123161118232. Its totient is φ = 36402000200000.

The previous prime is 100105500550547. The next prime is 100105500550577. The reversal of 100105500550550 is 55055005501001.

It is a super-2 number, since 2×1001055005505502 (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91004999951 + ... + 91005001050.

It is an arithmetic number, because the mean of its divisors is an integer number (8463465046593).

Almost surely, 2100105500550550 is an apocalyptic number.

100105500550550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100105500550550 is an abundant number, since it is smaller than the sum of its proper divisors (103017660567682).

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

100105500550550 is a wasteful number, since it uses less digits than its factorization.

100105500550550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182010001024 (or 182010001019 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 32.

The spelling of 100105500550550 in words is "one hundred trillion, one hundred five billion, five hundred million, five hundred fifty thousand, five hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 182010001001 364020002002 910050005005 1820100010010 2002110011011 4004220022022 4550250025025 9100500050050 10010550055055 20021100110110 50052750275275 100105500550550