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2040021110 = 252310981373
BaseRepresentation
bin111100110011000…
…0100000001110110
312021011122210212102
41321212010001312
513134221133420
6534232422102
7101360615261
oct17146040166
95234583772
102040021110
119575a2066
1248b247932
1326684a6aa
14154d15cd8
15be16aa75
hex79984076

2040021110 has 32 divisors (see below), whose sum is σ = 3866892480. Its totient is φ = 773359488.

The previous prime is 2040021103. The next prime is 2040021119. The reversal of 2040021110 is 111200402.

It is a super-2 number, since 2×20400211102 = 8323372258491264200, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2040021091 and 2040021100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040021119) 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, 15617 + ... + 65756.

It is an arithmetic number, because the mean of its divisors is an integer number (120840390).

Almost surely, 22040021110 is an apocalyptic number.

2040021110 is a deficient number, since it is larger than the sum of its proper divisors (1826871370).

2040021110 is a wasteful number, since it uses less digits than its factorization.

2040021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81512.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2040021110 is about 45166.5928535682. The cubic root of 2040021110 is about 1268.2695157477.

Adding to 2040021110 its reverse (111200402), we get a palindrome (2151221512).

The spelling of 2040021110 in words is "two billion, forty million, twenty-one thousand, one hundred ten".

Divisors: 1 2 5 10 23 46 109 115 218 230 545 1090 2507 5014 12535 25070 81373 162746 406865 813730 1871579 3743158 8869657 9357895 17739314 18715790 44348285 88696570 204002111 408004222 1020010555 2040021110