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1021114042 = 21349179987
BaseRepresentation
bin111100110111001…
…111011010111010
32122011101222010121
4330313033122322
54042401122132
6245154003454
734206216604
oct7467173272
92564358117
101021114042
11484435103
12245b7658a
131337206c0
1499886174
155e9a2497
hex3cdcf6ba

1021114042 has 16 divisors (see below), whose sum is σ = 1652872032. Its totient is φ = 470317680.

The previous prime is 1021114013. The next prime is 1021114043. The reversal of 1021114042 is 2404111201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1021114043) 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, 27228 + ... + 52759.

It is an arithmetic number, because the mean of its divisors is an integer number (103304502).

Almost surely, 21021114042 is an apocalyptic number.

1021114042 is a deficient number, since it is larger than the sum of its proper divisors (631757990).

1021114042 is a wasteful number, since it uses less digits than its factorization.

1021114042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80493.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1021114042 is about 31954.8750897261. The cubic root of 1021114042 is about 1006.9890533357.

Adding to 1021114042 its reverse (2404111201), we get a palindrome (3425225243).

The spelling of 1021114042 in words is "one billion, twenty-one million, one hundred fourteen thousand, forty-two".

Divisors: 1 2 13 26 491 982 6383 12766 79987 159974 1039831 2079662 39273617 78547234 510557021 1021114042