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2141020123 = 11417166863
BaseRepresentation
bin111111110011101…
…0101111111011011
312112012201002110121
41333213111333123
513341100120443
6552241254111
7104025241114
oct17747257733
95465632417
102141020123
119a9606120
124b9034337
13281750b18
141644c720b
15c7e6b4ed
hex7f9d5fdb

2141020123 has 16 divisors (see below), whose sum is σ = 2426360832. Its totient is φ = 1872136000.

The previous prime is 2141020097. The next prime is 2141020163. The reversal of 2141020123 is 3210201412.

It is a cyclic number.

It is not a de Polignac number, because 2141020123 - 225 = 2107465691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2141020097 and 2141020106.

It is not an unprimeable number, because it can be changed into a prime (2141020163) 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, 1411 + ... + 65452.

It is an arithmetic number, because the mean of its divisors is an integer number (151647552).

Almost surely, 22141020123 is an apocalyptic number.

2141020123 is a deficient number, since it is larger than the sum of its proper divisors (285340709).

2141020123 is a wasteful number, since it uses less digits than its factorization.

2141020123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66986.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2141020123 is about 46271.1586520156. The cubic root of 2141020123 is about 1288.8634748774.

Adding to 2141020123 its reverse (3210201412), we get a palindrome (5351221535).

The spelling of 2141020123 in words is "two billion, one hundred forty-one million, twenty thousand, one hundred twenty-three".

Divisors: 1 11 41 71 451 781 2911 32021 66863 735493 2741383 4747273 30155213 52220003 194638193 2141020123