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23134443501 = 3133119135189
BaseRepresentation
bin10101100010111010…
…111001011111101101
32012201021112111101210
4111202322321133231
5334334404143001
614343335225033
71446202345101
oct254272713755
965637474353
1023134443501
1198a18768a4
124597818179
132248ba2330
1411966c7901
15906019dd6
hex562eb97ed

23134443501 has 16 divisors (see below), whose sum is σ = 34290260480. Its totient is φ = 13777335360.

The previous prime is 23134443469. The next prime is 23134443517. The reversal of 23134443501 is 10534443132.

It is not a de Polignac number, because 23134443501 - 25 = 23134443469 is a prime.

It is a super-2 number, since 2×231344435012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23134443551) 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, 9566386 + ... + 9568803.

It is an arithmetic number, because the mean of its divisors is an integer number (2143141280).

Almost surely, 223134443501 is an apocalyptic number.

It is an amenable number.

23134443501 is a deficient number, since it is larger than the sum of its proper divisors (11155816979).

23134443501 is a wasteful number, since it uses less digits than its factorization.

23134443501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19135236.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 23134443501 its reverse (10534443132), we get a palindrome (33668886633).

The spelling of 23134443501 in words is "twenty-three billion, one hundred thirty-four million, four hundred forty-three thousand, five hundred one".

Divisors: 1 3 13 31 39 93 403 1209 19135189 57405567 248757457 593190859 746272371 1779572577 7711481167 23134443501