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23145232532401 = 731709150437317
BaseRepresentation
bin1010100001100111010110…
…10111010000001110110001
310000221122220001100211220101
411100303223113100032301
511013202414012014101
6121120434550512401
74606121303313550
oct520635327201661
9100848801324811
1023145232532401
1174139244079a1
12271984b665701
13cbb78076c335
145a0341693d97
152a20d9886401
hex150ceb5d03b1

23145232532401 has 16 divisors (see below), whose sum is σ = 27343486919680. Its totient is φ = 19171731551040.

The previous prime is 23145232532399. The next prime is 23145232532497. The reversal of 23145232532401 is 10423523254132.

It is a cyclic number.

It is not a de Polignac number, because 23145232532401 - 21 = 23145232532399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23145232538401) 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, 75064806 + ... + 75372511.

It is an arithmetic number, because the mean of its divisors is an integer number (1708967932480).

Almost surely, 223145232532401 is an apocalyptic number.

It is an amenable number.

23145232532401 is a deficient number, since it is larger than the sum of its proper divisors (4198254387279).

23145232532401 is a wasteful number, since it uses less digits than its factorization.

23145232532401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150438064.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 23145232532401 its reverse (10423523254132), we get a palindrome (33568755786533).

The spelling of 23145232532401 in words is "twenty-three trillion, one hundred forty-five billion, two hundred thirty-two million, five hundred thirty-two thousand, four hundred one".

Divisors: 1 7 31 217 709 4963 21979 153853 150437317 1053061219 4663556827 32644897789 106660057753 746620404271 3306461790343 23145232532401