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122230213180 = 22517675365681
BaseRepresentation
bin111000111010101111…
…1010000101000111100
3102200111102201011211121
41301311133100220330
54000311413310210
6132052441400324
711554656445435
oct1616537205074
9380442634747
10122230213180
1147923850309
121b8327990a4
13b6ac266a3a
145cb760a48c
1532a5b8e6da
hex1c757d0a3c

122230213180 has 48 divisors (see below), whose sum is σ = 275838980256. Its totient is φ = 45329264640.

The previous prime is 122230213123. The next prime is 122230213181. The reversal of 122230213180 is 81312032221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122230213181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2660061 + ... + 2705620.

It is an arithmetic number, because the mean of its divisors is an integer number (5746645422).

Almost surely, 2122230213180 is an apocalyptic number.

122230213180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122230213180 is an abundant number, since it is smaller than the sum of its proper divisors (153608767076).

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

122230213180 is a wasteful number, since it uses less digits than its factorization.

122230213180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5365774 (or 5365772 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 122230213180 in words is "one hundred twenty-two billion, two hundred thirty million, two hundred thirteen thousand, one hundred eighty".

Divisors: 1 2 4 5 10 17 20 34 67 68 85 134 170 268 335 340 670 1139 1340 2278 4556 5695 11390 22780 5365681 10731362 21462724 26828405 53656810 91216577 107313620 182433154 359500627 364866308 456082885 719001254 912165770 1438002508 1797503135 1824331540 3595006270 6111510659 7190012540 12223021318 24446042636 30557553295 61115106590 122230213180