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3434130021 = 37732240137
BaseRepresentation
bin1100110010110000…
…1010101001100101
322212022220212202210
43030230022221211
524013114130041
61324433154033
7151046423610
oct31454125145
98768825683
103434130021
111502527793
127ba0bb919
134296158ca
14248133177
1515174a016
hexccb0aa65

3434130021 has 16 divisors (see below), whose sum is σ = 5304646784. Its totient is φ = 1935477504.

The previous prime is 3434129983. The next prime is 3434130103. The reversal of 3434130021 is 1200314343.

It is not a de Polignac number, because 3434130021 - 211 = 3434127973 is a prime.

It is a super-2 number, since 2×34341300212 = 23586498002266920882, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3434130021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3434131021) 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, 1118536 + ... + 1121601.

It is an arithmetic number, because the mean of its divisors is an integer number (331540424).

Almost surely, 23434130021 is an apocalyptic number.

It is an amenable number.

3434130021 is a deficient number, since it is larger than the sum of its proper divisors (1870516763).

3434130021 is a wasteful number, since it uses less digits than its factorization.

3434130021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240220.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3434130021 is about 58601.4506731702. The cubic root of 3434130021 is about 1508.7093368748.

Adding to 3434130021 its reverse (1200314343), we get a palindrome (4634444364).

The spelling of 3434130021 in words is "three billion, four hundred thirty-four million, one hundred thirty thousand, twenty-one".

Divisors: 1 3 7 21 73 219 511 1533 2240137 6720411 15680959 47042877 163530001 490590003 1144710007 3434130021