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192085391900 = 225217112991407
BaseRepresentation
bin1011001011100100101…
…1100111101000011100
3200100210202112221021002
42302321023213220130
511121342330020100
6224124240325432
716610024614553
oct2627113475034
9610722487232
10192085391900
1174510217a76
1231289013878
13151626a670c
149422cc4d9a
154ee36e52d5
hex2cb92e7a1c

192085391900 has 36 divisors (see below), whose sum is σ = 441344439648. Its totient is φ = 72314499840.

The previous prime is 192085391899. The next prime is 192085391989. The reversal of 192085391900 is 9193580291.

It is a super-2 number, since 2×1920853919002 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56494004 + ... + 56497403.

It is an arithmetic number, because the mean of its divisors is an integer number (12259567768).

Almost surely, 2192085391900 is an apocalyptic number.

192085391900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

192085391900 is an abundant number, since it is smaller than the sum of its proper divisors (249259047748).

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

192085391900 is a wasteful number, since it uses less digits than its factorization.

192085391900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112991438 (or 112991431 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 47.

The spelling of 192085391900 in words is "one hundred ninety-two billion, eighty-five million, three hundred ninety-one thousand, nine hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 170 340 425 850 1700 112991407 225982814 451965628 564957035 1129914070 1920853919 2259828140 2824785175 3841707838 5649570350 7683415676 9604269595 11299140700 19208539190 38417078380 48021347975 96042695950 192085391900