Search a number
-
+
121110106027645 = 5731149374763709
BaseRepresentation
bin11011100010011000100100…
…110110010011011001111101
3120212211000100112010012101101
4123202120210312103121331
5111333231444120341040
61105325114205413101
734336626220552150
oct3342304466233175
9525730315105341
10121110106027645
1135653564578369
12116bbb4956a191
135276831b66657
1421c9a907b9c97
15e0054245a09a
hex6e2624d9367d

121110106027645 has 32 divisors (see below), whose sum is σ = 171566565488640. Its totient is φ = 80314165681920.

The previous prime is 121110106027621. The next prime is 121110106027663. The reversal of 121110106027645 is 546720601011121.

It is not a de Polignac number, because 121110106027645 - 215 = 121110105994877 is a prime.

It is a congruent 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, 35761950 + ... + 39001759.

It is an arithmetic number, because the mean of its divisors is an integer number (5361455171520).

Almost surely, 2121110106027645 is an apocalyptic number.

It is an amenable number.

121110106027645 is a deficient number, since it is larger than the sum of its proper divisors (50456459460995).

121110106027645 is a wasteful number, since it uses less digits than its factorization.

121110106027645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74765245.

The product of its (nonzero) digits is 20160, while the sum is 37.

Adding to 121110106027645 its reverse (546720601011121), we get a palindrome (667830707038766).

The spelling of 121110106027645 in words is "one hundred twenty-one trillion, one hundred ten billion, one hundred six million, twenty-seven thousand, six hundred forty-five".

Divisors: 1 5 7 31 35 155 217 1085 1493 7465 10451 46283 52255 231415 323981 1619905 74763709 373818545 523345963 2317674979 2616729815 11588374895 16223724853 81118624265 111622217537 558111087685 781355522759 3460288743647 3906777613795 17301443718235 24222021205529 121110106027645