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19103010900 = 2235263676703
BaseRepresentation
bin10001110010101000…
…001101000001010100
31211022022200111112020
4101302220031001110
5303110332322100
612435323453140
71244250625221
oct216250150124
954268614466
1019103010900
118113173916
1238516871b0
131a558c685c
14cd3110948
1576c1365a0
hex472a0d054

19103010900 has 36 divisors (see below), whose sum is σ = 55271379072. Its totient is φ = 5094136160.

The previous prime is 19103010889. The next prime is 19103010919. The reversal of 19103010900 is 901030191.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31838052 + ... + 31838651.

Almost surely, 219103010900 is an apocalyptic number.

19103010900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19103010900 is an abundant number, since it is smaller than the sum of its proper divisors (36168368172).

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

19103010900 is a wasteful number, since it uses less digits than its factorization.

19103010900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63676720 (or 63676713 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 24.

It can be divided in two parts, 191030 and 10900, that added together give a triangular number (201930 = T635).

The spelling of 19103010900 in words is "nineteen billion, one hundred three million, ten thousand, nine hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 63676703 127353406 191030109 254706812 318383515 382060218 636767030 764120436 955150545 1273534060 1591917575 1910301090 3183835150 3820602180 4775752725 6367670300 9551505450 19103010900