Search a number
-
+
122513545120 = 2553881197297
BaseRepresentation
bin111001000011001100…
…0000101011110100000
3102201020011211221012011
41302012120011132200
54001401431420440
6132140522242304
711564666644201
oct1620630053640
9381204757164
10122513545120
1147a5977a83a
121b8b1656394
13b725b79b85
145d030c15a8
1532c09a99ea
hex1c866057a0

122513545120 has 48 divisors (see below), whose sum is σ = 289514296008. Its totient is φ = 48992542720.

The previous prime is 122513545117. The next prime is 122513545139. The reversal of 122513545120 is 21545315221.

It can be written as a sum of positive squares in 4 ways, for example, as 72871922704 + 49641622416 = 269948^2 + 222804^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522312 + ... + 719608.

Almost surely, 2122513545120 is an apocalyptic number.

122513545120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122513545120 is an abundant number, since it is smaller than the sum of its proper divisors (167000750888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122513545120 is a wasteful number, since it uses less digits than its factorization.

122513545120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201193 (or 201185 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 122513545120 in words is "one hundred twenty-two billion, five hundred thirteen million, five hundred forty-five thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 3881 7762 15524 19405 31048 38810 62096 77620 124192 155240 197297 310480 394594 620960 789188 986485 1578376 1972970 3156752 3945940 6313504 7891880 15783760 31567520 765709657 1531419314 3062838628 3828548285 6125677256 7657096570 12251354512 15314193140 24502709024 30628386280 61256772560 122513545120