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2141209830 = 235411740821
BaseRepresentation
bin111111110100000…
…0100010011100110
312112020001201200210
41333220010103212
513341122203310
6552245320250
7104026661154
oct17750042346
95466051623
102141209830
119a9725701
124b9106086
132817b9286
141645363d4
15c7ea7820
hex7fa044e6

2141209830 has 32 divisors (see below), whose sum is σ = 5264245728. Its totient is φ = 557062400.

The previous prime is 2141209757. The next prime is 2141209831. The reversal of 2141209830 is 389021412.

2141209830 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141209831) 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, 869181 + ... + 871640.

It is an arithmetic number, because the mean of its divisors is an integer number (164507679).

Almost surely, 22141209830 is an apocalyptic number.

2141209830 is an abundant number, since it is smaller than the sum of its proper divisors (3123035898).

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

2141209830 is a wasteful number, since it uses less digits than its factorization.

2141209830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740872.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 2141209830 is about 46273.2085552753. The cubic root of 2141209830 is about 1288.9015407195.

The spelling of 2141209830 in words is "two billion, one hundred forty-one million, two hundred nine thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 41 82 123 205 246 410 615 1230 1740821 3481642 5222463 8704105 10444926 17408210 26112315 52224630 71373661 142747322 214120983 356868305 428241966 713736610 1070604915 2141209830