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23221414450451 = 723791825726429
BaseRepresentation
bin1010100011110101010000…
…01010001101010100010011
310001012221112022002021002202
411101322220022031110103
511020424424044403301
6121215434233433415
74614456204036110
oct521725012152423
9101187468067082
1023221414450451
117443168092548
12273057086b86b
13cc5a01878659
145a3ccb311907
152a4097a6666b
hex151ea828d513

23221414450451 has 16 divisors (see below), whose sum is σ = 28043157964800. Its totient is φ = 18797679302688.

The previous prime is 23221414450439. The next prime is 23221414450463. The reversal of 23221414450451 is 15405441412232.

It is an interprime number because it is at equal distance from previous prime (23221414450439) and next prime (23221414450463).

It is a cyclic number.

It is not a de Polignac number, because 23221414450451 - 214 = 23221414434067 is a prime.

It is a super-2 number, since 2×232214144504512 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23221414453451) 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, 912850496 + ... + 912875933.

It is an arithmetic number, because the mean of its divisors is an integer number (1752697372800).

Almost surely, 223221414450451 is an apocalyptic number.

23221414450451 is a deficient number, since it is larger than the sum of its proper divisors (4821743514349).

23221414450451 is a wasteful number, since it uses less digits than its factorization.

23221414450451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825726538.

The product of its (nonzero) digits is 153600, while the sum is 38.

Adding to 23221414450451 its reverse (15405441412232), we get a palindrome (38626855862683).

The spelling of 23221414450451 in words is "twenty-three trillion, two hundred twenty-one billion, four hundred fourteen million, four hundred fifty thousand, four hundred fifty-one".

Divisors: 1 7 23 79 161 553 1817 12719 1825726429 12780085003 41991707867 144232387891 293941955069 1009626715237 3317344921493 23221414450451