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1200000010190 = 25278237431287
BaseRepresentation
bin10001011101100101100…
…100110000011111001110
311020201102001201121221212
4101131211210300133032
5124130100000311230
62315134500454422
7152461055534522
oct21354544603716
94221361647855
101200000010190
11422a0a7a3813
121746996aa412
138920c5bc537
144211a52bd82
1521334bdd895
hex117659307ce

1200000010190 has 16 divisors (see below), whose sum is σ = 2160012789792. Its totient is φ = 479997165984.

The previous prime is 1200000010189. The next prime is 1200000010229. The reversal of 1200000010190 is 910100000021.

It is a super-2 number, since 2×12000000101902 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2566727 + ... + 2998013.

It is an arithmetic number, because the mean of its divisors is an integer number (135000799362).

Almost surely, 21200000010190 is an apocalyptic number.

1200000010190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200000010190 is a deficient number, since it is larger than the sum of its proper divisors (960012779602).

1200000010190 is a wasteful number, since it uses less digits than its factorization.

1200000010190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709531.

The product of its (nonzero) digits is 18, while the sum is 14.

The spelling of 1200000010190 in words is "one trillion, two hundred billion, ten thousand, one hundred ninety".

Divisors: 1 2 5 10 278237 431287 556474 862574 1391185 2156435 2782370 4312870 120000001019 240000002038 600000005095 1200000010190