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211690140743 = 3311021626393
BaseRepresentation
bin1100010100100110110…
…1110011010001000111
3202020102001100100212002
43011021231303101013
511432020134000433
6241125450215515
721202610335664
oct3051155632107
9666361310762
10211690140743
1181860624a44
123503a72459b
1316c68213413
14a3628c0a6b
15578e8d99e8
hex3149b73447

211690140743 has 8 divisors (see below), whose sum is σ = 212537989776. Its totient is φ = 210843547200.

The previous prime is 211690140691. The next prime is 211690140799. The reversal of 211690140743 is 347041096112.

211690140743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211690140743 - 236 = 142970664007 is a prime.

It is a super-2 number, since 2×2116901407432 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211690140697 and 211690140706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211690140643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24755 + ... + 651147.

It is an arithmetic number, because the mean of its divisors is an integer number (26567248722).

Almost surely, 2211690140743 is an apocalyptic number.

211690140743 is a deficient number, since it is larger than the sum of its proper divisors (847849033).

211690140743 is a wasteful number, since it uses less digits than its factorization.

211690140743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627745.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 211690140743 in words is "two hundred eleven billion, six hundred ninety million, one hundred forty thousand, seven hundred forty-three".

Divisors: 1 331 1021 337951 626393 207336083 639547253 211690140743