Search a number
-
+
23101430405145 = 3523211331689857
BaseRepresentation
bin1010100000010101110001…
…00011011001100000011001
310000210110211101221020022220
411100022320203121200121
511011443212140431040
6121044352311134253
74603010660343621
oct520127043314031
9100713741836286
1023101430405145
1173a7297235424
122711266374389
13cb75bca89341
1459c18815d881
152a0dc41b32d0
hex1502b88d9819

23101430405145 has 32 divisors (see below), whose sum is σ = 38587599251712. Its totient is φ = 11779499753472.

The previous prime is 23101430405041. The next prime is 23101430405159. The reversal of 23101430405145 is 54150403410132.

It is not a de Polignac number, because 23101430405145 - 28 = 23101430404889 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15115944 + ... + 16573913.

It is an arithmetic number, because the mean of its divisors is an integer number (1205862476616).

Almost surely, 223101430405145 is an apocalyptic number.

It is an amenable number.

23101430405145 is a deficient number, since it is larger than the sum of its proper divisors (15486168846567).

23101430405145 is a wasteful number, since it uses less digits than its factorization.

23101430405145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31692001.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 23101430405145 its reverse (54150403410132), we get a palindrome (77251833815277).

The spelling of 23101430405145 in words is "twenty-three trillion, one hundred one billion, four hundred thirty million, four hundred five thousand, one hundred forty-five".

Divisors: 1 3 5 15 23 69 115 345 2113 6339 10565 31695 48599 145797 242995 728985 31689857 95069571 158449285 475347855 728866711 2186600133 3644333555 10933000665 66960667841 200882003523 334803339205 1004410017615 1540095360343 4620286081029 7700476801715 23101430405145