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19084159220 = 2257136315423
BaseRepresentation
bin10001110001100000…
…010010100011110100
31211021000012201212212
4101301200102203310
5303041021043340
612433411432552
71243631451110
oct216140224364
954230181785
1019084159220
118103568315
1238472b5758
131a51a26009
14cd0804740
1576a660a65
hex4718128f4

19084159220 has 24 divisors (see below), whose sum is σ = 45801982464. Its totient is φ = 6543140256.

The previous prime is 19084159187. The next prime is 19084159223. The reversal of 19084159220 is 2295148091.

It is a super-2 number, since 2×190841592202 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19084159223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68157572 + ... + 68157851.

It is an arithmetic number, because the mean of its divisors is an integer number (1908415936).

Almost surely, 219084159220 is an apocalyptic number.

19084159220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19084159220 is an abundant number, since it is smaller than the sum of its proper divisors (26717823244).

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

19084159220 is a wasteful number, since it uses less digits than its factorization.

19084159220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136315439 (or 136315437 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 19084159220 in words is "nineteen billion, eighty-four million, one hundred fifty-nine thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 136315423 272630846 545261692 681577115 954207961 1363154230 1908415922 2726308460 3816831844 4771039805 9542079610 19084159220