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23101452553 = 101228727253
BaseRepresentation
bin10101100000111101…
…000011000100001001
32012121222110101022211
4111200331003010021
5334302432440203
614340200145121
71445322051424
oct254075030411
965558411284
1023101452553
119885193253
1245887681a1
1322420c0b6a
14119217a9bb
1590319ec6d
hex560f43109

23101452553 has 4 divisors (see below), whose sum is σ = 23330179908. Its totient is φ = 22872725200.

The previous prime is 23101452551. The next prime is 23101452581. The reversal of 23101452553 is 35525410132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10536611904 + 12564840649 = 102648^2 + 112093^2 .

It is a cyclic number.

It is not a de Polignac number, because 23101452553 - 21 = 23101452551 is a prime.

It is a super-2 number, since 2×231014525532 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23101452551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114363526 + ... + 114363727.

It is an arithmetic number, because the mean of its divisors is an integer number (5832544977).

Almost surely, 223101452553 is an apocalyptic number.

It is an amenable number.

23101452553 is a deficient number, since it is larger than the sum of its proper divisors (228727355).

23101452553 is a wasteful number, since it uses less digits than its factorization.

23101452553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228727354.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 23101452553 its reverse (35525410132), we get a palindrome (58626862685).

The spelling of 23101452553 in words is "twenty-three billion, one hundred one million, four hundred fifty-two thousand, five hundred fifty-three".

Divisors: 1 101 228727253 23101452553