Search a number
-
+
122740550350789 = 7199911601581663
BaseRepresentation
bin11011111010000111000010…
…111001110011011111000101
3121002120212210222202112111111
4123322013002321303133011
5112041440121342211124
61113014121434005021
734565466154621630
oct3372070271633705
9532525728675444
10122740550350789
1136121a7a919398
1211923b35b76771
1353644cc214587
142244962532c17
15e2cb6b684494
hex6fa1c2e737c5

122740550350789 has 32 divisors (see below), whose sum is σ = 147899379548160. Its totient is φ = 99506081664000.

The previous prime is 122740550350763. The next prime is 122740550350799. The reversal of 122740550350789 is 987053055047221.

It is a cyclic number.

It is not a de Polignac number, because 122740550350789 - 27 = 122740550350661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122740550350799) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210725772 + ... + 211307434.

It is an arithmetic number, because the mean of its divisors is an integer number (4621855610880).

Almost surely, 2122740550350789 is an apocalyptic number.

122740550350789 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

122740550350789 is a deficient number, since it is larger than the sum of its proper divisors (25158829197371).

122740550350789 is a wasteful number, since it uses less digits than its factorization.

122740550350789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584281.

The product of its (nonzero) digits is 21168000, while the sum is 58.

The spelling of 122740550350789 in words is "one hundred twenty-two trillion, seven hundred forty billion, five hundred fifty million, three hundred fifty thousand, seven hundred eighty-nine".

Divisors: 1 7 19 133 991 1601 6937 11207 18829 30419 131803 212933 581663 1586591 4071641 11051597 11106137 30145229 77361179 211016603 576428033 931242463 4034996231 6518697241 10952132627 17693606797 76664928389 123855247579 922861280833 6460028965831 17534364335827 122740550350789