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1010021141 = 10929693121
BaseRepresentation
bin111100001100111…
…011001100010101
32121101112101112102
4330030323030111
54032031134031
6244120131445
734013016023
oct7414731425
92541471472
101010021141
11479148918
12242306b85
1313133855c
14981d9713
155da107cb
hex3c33b315

1010021141 has 8 divisors (see below), whose sum is σ = 1019957400. Its totient is φ = 1000097280.

The previous prime is 1010021123. The next prime is 1010021147. The reversal of 1010021141 is 1411200101.

It can be written as a sum of positive squares in 4 ways, for example, as 57002500 + 953018641 = 7550^2 + 30871^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1010021141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010021147) 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, 322061 + ... + 325181.

It is an arithmetic number, because the mean of its divisors is an integer number (127494675).

Almost surely, 21010021141 is an apocalyptic number.

It is an amenable number.

1010021141 is a deficient number, since it is larger than the sum of its proper divisors (9936259).

1010021141 is a wasteful number, since it uses less digits than its factorization.

1010021141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6199.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1010021141 is about 31780.8297720497. The cubic root of 1010021141 is about 1003.3292839013.

Adding to 1010021141 its reverse (1411200101), we get a palindrome (2421221242).

The spelling of 1010021141 in words is "one billion, ten million, twenty-one thousand, one hundred forty-one".

Divisors: 1 109 2969 3121 323621 340189 9266249 1010021141