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34020030121 = 7211289721787
BaseRepresentation
bin11111101011110000…
…000111011010101001
310020210220200120222121
4133223300013122221
51024133111430441
623343435151241
72313022325200
oct375360073251
9106726616877
1034020030121
1113478469180
1267152a5521
1332921aa84c
14190a2d4237
15d41a08dd1
hex7ebc076a9

34020030121 has 24 divisors (see below), whose sum is σ = 43188870816. Its totient is φ = 26498747520.

The previous prime is 34020030067. The next prime is 34020030127. The reversal of 34020030121 is 12103002043.

It is a happy number.

It is not a de Polignac number, because 34020030121 - 27 = 34020029993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34020030095 and 34020030104.

It is not an unprimeable number, because it can be changed into a prime (34020030127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1550590 + ... + 1572376.

It is an arithmetic number, because the mean of its divisors is an integer number (1799536284).

Almost surely, 234020030121 is an apocalyptic number.

It is an amenable number.

34020030121 is a deficient number, since it is larger than the sum of its proper divisors (9168840695).

34020030121 is a wasteful number, since it uses less digits than its factorization.

34020030121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24709 (or 24702 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 34020030121 its reverse (12103002043), we get a palindrome (46123032164).

The spelling of 34020030121 in words is "thirty-four billion, twenty million, thirty thousand, one hundred twenty-one".

Divisors: 1 7 11 49 77 539 2897 20279 21787 31867 141953 152509 223069 239657 1067563 1561483 1677599 11743193 63116939 441818573 694286329 3092730011 4860004303 34020030121