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23020202130 = 2356171243663
BaseRepresentation
bin10101011100000111…
…000110100010010010
32012102022120102200220
4111130013012202102
5334121132432010
614324134453510
71443314326632
oct253407064222
965368512626
1023020202130
119843338642
124565504296
13222b3135a3
14118546a6c2
158eaea0970
hex55c1c6892

23020202130 has 32 divisors (see below), whose sum is σ = 55338073344. Its totient is φ = 6128766336.

The previous prime is 23020202123. The next prime is 23020202137. The reversal of 23020202130 is 3120202032.

It is an interprime number because it is at equal distance from previous prime (23020202123) and next prime (23020202137).

It is a super-2 number, since 2×230202021302 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (23020202137) 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, 603322 + ... + 640341.

It is an arithmetic number, because the mean of its divisors is an integer number (1729314792).

Almost surely, 223020202130 is an apocalyptic number.

23020202130 is an abundant number, since it is smaller than the sum of its proper divisors (32317871214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23020202130 is a wasteful number, since it uses less digits than its factorization.

23020202130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244290.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 23020202130 its reverse (3120202032), we get a palindrome (26140404162).

The spelling of 23020202130 in words is "twenty-three billion, twenty million, two hundred two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 617 1234 1851 3085 3702 6170 9255 18510 1243663 2487326 3730989 6218315 7461978 12436630 18654945 37309890 767340071 1534680142 2302020213 3836700355 4604040426 7673400710 11510101065 23020202130