Search a number
-
+
122227783390 = 2551229238591
BaseRepresentation
bin111000111010101010…
…1111111011011011110
3102200111021010201210101
41301311111333123132
54000310303032030
6132052313331314
711554630005466
oct1616525773336
9380437121711
10122227783390
1147922440819
121b831a06b3a
13b6ab8c5aab
145cb7176ba6
1532a585e7ca
hex1c7557f6de

122227783390 has 16 divisors (see below), whose sum is σ = 220015226880. Its totient is φ = 48889954080.

The previous prime is 122227783339. The next prime is 122227783393. The reversal of 122227783390 is 93387722221.

It is a self number, because there is not a number n which added to its sum of digits gives 122227783390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122227783393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392995 + ... + 631585.

It is an arithmetic number, because the mean of its divisors is an integer number (13750951680).

Almost surely, 2122227783390 is an apocalyptic number.

122227783390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122227783390 is a deficient number, since it is larger than the sum of its proper divisors (97787443490).

122227783390 is a wasteful number, since it uses less digits than its factorization.

122227783390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289827.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 122227783390 in words is "one hundred twenty-two billion, two hundred twenty-seven million, seven hundred eighty-three thousand, three hundred ninety".

Divisors: 1 2 5 10 51229 102458 238591 256145 477182 512290 1192955 2385910 12222778339 24445556678 61113891695 122227783390