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19992369300 = 2235297687023
BaseRepresentation
bin10010100111101000…
…110101100010010100
31220121022011120220020
4102213220311202110
5311421021304200
613103453505140
71305300222651
oct224750654224
956538146806
1019992369300
11852a197a62
123a5b4a21b0
131b67c35627
14d7929ac28
157c025eea0
hex4a7a35894

19992369300 has 72 divisors (see below), whose sum is σ = 58441009536. Its totient is φ = 5276328960.

The previous prime is 19992369269. The next prime is 19992369301. The reversal of 19992369300 is 396329991.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19992369301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 314412 + ... + 372611.

It is an arithmetic number, because the mean of its divisors is an integer number (811680688).

Almost surely, 219992369300 is an apocalyptic number.

19992369300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19992369300 is an abundant number, since it is smaller than the sum of its proper divisors (38448640236).

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

19992369300 is a wasteful number, since it uses less digits than its factorization.

19992369300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687137 (or 687130 counting only the distinct ones).

The product of its (nonzero) digits is 708588, while the sum is 51.

The spelling of 19992369300 in words is "nineteen billion, nine hundred ninety-two million, three hundred sixty-nine thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 97 100 150 194 291 300 388 485 582 970 1164 1455 1940 2425 2910 4850 5820 7275 9700 14550 29100 687023 1374046 2061069 2748092 3435115 4122138 6870230 8244276 10305345 13740460 17175575 20610690 34351150 41221380 51526725 66641231 68702300 103053450 133282462 199923693 206106900 266564924 333206155 399847386 666412310 799694772 999618465 1332824620 1666030775 1999236930 3332061550 3998473860 4998092325 6664123100 9996184650 19992369300