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32002012021 = 723198770261
BaseRepresentation
bin11101110011011101…
…111111001101110101
310001121021102122120111
4131303131333031311
51011020003341041
622411310103021
72212016420410
oct356335771565
9101537378514
1032002012021
1112632335321
1262514aaa71
1330300951b5
1417982a8b77
15c74787981
hex77377f375

32002012021 has 8 divisors (see below), whose sum is σ = 38163890304. Its totient is φ = 26237674320.

The previous prime is 32002012019. The next prime is 32002012033. The reversal of 32002012021 is 12021020023.

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 32002012021 - 21 = 32002012019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32002011992 and 32002012010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32002012051) 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, 99384970 + ... + 99385291.

It is an arithmetic number, because the mean of its divisors is an integer number (4770486288).

Almost surely, 232002012021 is an apocalyptic number.

It is an amenable number.

32002012021 is a deficient number, since it is larger than the sum of its proper divisors (6161878283).

32002012021 is a wasteful number, since it uses less digits than its factorization.

32002012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198770291.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 32002012021 its reverse (12021020023), we get a palindrome (44023032044).

The spelling of 32002012021 in words is "thirty-two billion, two million, twelve thousand, twenty-one".

Divisors: 1 7 23 161 198770261 1391391827 4571716003 32002012021