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2115054241240 = 23590915816341
BaseRepresentation
bin11110110001110011000…
…011101000010111011000
321111012022202200212220011
4132301303003220113120
5234123112341204430
64255350440411304
7305544005263513
oct36616303502730
97435282625804
102115054241240
11745a97a86176
122a1ab3476b34
131245aac01865
1474525013d7a
153a03db9322a
hex1ec730e85d8

2115054241240 has 32 divisors (see below), whose sum is σ = 4759396331760. Its totient is φ = 845928489600.

The previous prime is 2115054241199. The next prime is 2115054241247. The reversal of 2115054241240 is 421424505112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115054241247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2544531 + ... + 3271810.

Almost surely, 22115054241240 is an apocalyptic number.

2115054241240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2115054241240 is an abundant number, since it is smaller than the sum of its proper divisors (2644342090520).

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

2115054241240 is a wasteful number, since it uses less digits than its factorization.

2115054241240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5825443 (or 5825439 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 2115054241240 its reverse (421424505112), we get a palindrome (2536478746352).

The spelling of 2115054241240 in words is "two trillion, one hundred fifteen billion, fifty-four million, two hundred forty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 9091 18182 36364 45455 72728 90910 181820 363640 5816341 11632682 23265364 29081705 46530728 58163410 116326820 232653640 52876356031 105752712062 211505424124 264381780155 423010848248 528763560310 1057527120620 2115054241240