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2111230404140 = 2251113738192449
BaseRepresentation
bin11110101110001111001…
…000110110011000101100
321110211110021110211111212
4132232033020312120230
5234042244440413030
64253515202333552
7305350154224424
oct36561710663054
97424407424455
102111230404140
11744405583820
122a120695a2b8
1312411b93c660
1474281239484
1539db8119595
hex1eb8f23662c

2111230404140 has 48 divisors (see below), whose sum is σ = 5208685927200. Its totient is φ = 708664750080.

The previous prime is 2111230404139. The next prime is 2111230404169. The reversal of 2111230404140 is 414040321112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369093365 + ... + 369099084.

It is an arithmetic number, because the mean of its divisors is an integer number (108514290150).

Almost surely, 22111230404140 is an apocalyptic number.

2111230404140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111230404140 is an abundant number, since it is smaller than the sum of its proper divisors (3097455523060).

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

2111230404140 is a wasteful number, since it uses less digits than its factorization.

2111230404140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738192482 (or 738192480 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 2111230404140 its reverse (414040321112), we get a palindrome (2525270725252).

The spelling of 2111230404140 in words is "two trillion, one hundred eleven billion, two hundred thirty million, four hundred four thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 130 143 220 260 286 572 715 1430 2860 738192449 1476384898 2952769796 3690962245 7381924490 8120116939 9596501837 14763848980 16240233878 19193003674 32480467756 38386007348 40600584695 47982509185 81201169390 95965018370 105561520207 162402338780 191930036740 211123040414 422246080828 527807601035 1055615202070 2111230404140