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2030440140 = 2232511280223
BaseRepresentation
bin111100100000110…
…0000111011001100
312020111122001020200
41321001200323030
513124243041030
6533251213500
7101213312361
oct17101407314
95214561220
102030440140
11952148803
12487ba7290
13264874791
14153940468
15bd3c6d60
hex79060ecc

2030440140 has 36 divisors (see below), whose sum is σ = 6159002304. Its totient is φ = 541450656.

The previous prime is 2030440127. The next prime is 2030440151. The reversal of 2030440140 is 410440302.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 5639932 + ... + 5640291.

Almost surely, 22030440140 is an apocalyptic number.

2030440140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2030440140 is an abundant number, since it is smaller than the sum of its proper divisors (4128562164).

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

2030440140 is a wasteful number, since it uses less digits than its factorization.

2030440140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11280238 (or 11280233 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2030440140 is about 45060.4054575633. The cubic root of 2030440140 is about 1266.2809211658.

Adding to 2030440140 its reverse (410440302), we get a palindrome (2440880442).

The spelling of 2030440140 in words is "two billion, thirty million, four hundred forty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 11280223 22560446 33840669 45120892 56401115 67681338 101522007 112802230 135362676 169203345 203044014 225604460 338406690 406088028 507610035 676813380 1015220070 2030440140