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190912807000 = 2353347550181
BaseRepresentation
bin1011000111001101001…
…0100100000001011000
3200020210001010110011201
42301303102210001120
511111442134311000
6223412032003544
716535666040646
oct2616322440130
9606701113151
10190912807000
1173a69336643
12310003905b4
13150067907b6
149351290196
154e757c296a
hex2c734a4058

190912807000 has 64 divisors (see below), whose sum is σ = 448024206240. Its totient is φ = 76144912000.

The previous prime is 190912806979. The next prime is 190912807009. The reversal of 190912807000 is 708219091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190912807009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71910 + ... + 622090.

Almost surely, 2190912807000 is an apocalyptic number.

190912807000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190912807000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224012103120).

190912807000 is an abundant number, since it is smaller than the sum of its proper divisors (257111399240).

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

190912807000 is a wasteful number, since it uses less digits than its factorization.

190912807000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550549 (or 550535 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 190912807000 in words is "one hundred ninety billion, nine hundred twelve million, eight hundred seven thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 347 500 694 1000 1388 1735 2776 3470 6940 8675 13880 17350 34700 43375 69400 86750 173500 347000 550181 1100362 2200724 2750905 4401448 5501810 11003620 13754525 22007240 27509050 55018100 68772625 110036200 137545250 190912807 275090500 381825614 550181000 763651228 954564035 1527302456 1909128070 3818256140 4772820175 7636512280 9545640350 19091280700 23864100875 38182561400 47728201750 95456403500 190912807000