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2111414140 = 2251119505123
BaseRepresentation
bin111110111011001…
…1001111101111100
312110010222221200201
41331312121331330
513311010223030
6545302533244
7103215503233
oct17566317574
95403887621
102111414140
11993924770
124ab137224
132785862a4
141605bbb1a
15c556e2ca
hex7dd99f7c

2111414140 has 48 divisors (see below), whose sum is σ = 5091649920. Its totient is φ = 727375680.

The previous prime is 2111414111. The next prime is 2111414141. The reversal of 2111414140 is 414141112.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111414141) 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, 248382 + ... + 256741.

It is an arithmetic number, because the mean of its divisors is an integer number (106076040).

Almost surely, 22111414140 is an apocalyptic number.

2111414140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111414140 is an abundant number, since it is smaller than the sum of its proper divisors (2980235780).

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

2111414140 is a wasteful number, since it uses less digits than its factorization.

2111414140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505162 (or 505160 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 2111414140 is about 45950.1266592378. The cubic root of 2111414140 is about 1282.8950868060.

Adding to 2111414140 its reverse (414141112), we get a palindrome (2525555252).

The spelling of 2111414140 in words is "two billion, one hundred eleven million, four hundred fourteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 19 20 22 38 44 55 76 95 110 190 209 220 380 418 836 1045 2090 4180 505123 1010246 2020492 2525615 5051230 5556353 9597337 10102460 11112706 19194674 22225412 27781765 38389348 47986685 55563530 95973370 105570707 111127060 191946740 211141414 422282828 527853535 1055707070 2111414140