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2002608021 = 32953434311
BaseRepresentation
bin111011101011101…
…0101111110010101
312011120021000202110
41313113111332111
513100131424041
6530414501233
7100424613231
oct16727257625
95146230673
102002608021
11938469057
1247a804819
1325bb7b47b
1414dd775c1
15bac2a516
hex775d5f95

2002608021 has 16 divisors (see below), whose sum is σ = 2814341760. Its totient is φ = 1264710720.

The previous prime is 2002608019. The next prime is 2002608053. The reversal of 2002608021 is 1208062002.

It is not a de Polignac number, because 2002608021 - 21 = 2002608019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002608221) 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, 212545 + ... + 221766.

It is an arithmetic number, because the mean of its divisors is an integer number (175896360).

Almost surely, 22002608021 is an apocalyptic number.

It is an amenable number.

2002608021 is a deficient number, since it is larger than the sum of its proper divisors (811733739).

2002608021 is a wasteful number, since it uses less digits than its factorization.

2002608021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434396.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 2002608021 is about 44750.5086116348. The cubic root of 2002608021 is about 1260.4684621128.

The spelling of 2002608021 in words is "two billion, two million, six hundred eight thousand, twenty-one".

Divisors: 1 3 29 53 87 159 1537 4611 434311 1302933 12595019 23018483 37785057 69055449 667536007 2002608021