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8141999580 = 223351113971087
BaseRepresentation
bin1111001010100110…
…10000110111011100
3210000102121102201000
413211103100313130
5113133322441310
63423531150300
7405523566051
oct74523206734
923012542630
108141999580
1134a8a45880
1216b28a5390
139c9aa0640
145734ad028
15329be94c0
hex1e54d0ddc

8141999580 has 384 divisors, whose sum is σ = 30093557760. Its totient is φ = 1801543680.

The previous prime is 8141999573. The next prime is 8141999597. The reversal of 8141999580 is 859991418.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7489797 + ... + 7490883.

It is an arithmetic number, because the mean of its divisors is an integer number (78368640).

Almost surely, 28141999580 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8141999580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15046778880).

8141999580 is an abundant number, since it is smaller than the sum of its proper divisors (21951558180).

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

8141999580 is a wasteful number, since it uses less digits than its factorization.

8141999580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226 (or 1218 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 54.

The square root of 8141999580 is about 90233.0293185372. The cubic root of 8141999580 is about 2011.7639672023.

The spelling of 8141999580 in words is "eight billion, one hundred forty-one million, nine hundred ninety-nine thousand, five hundred eighty".