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122480779980 = 223513791987679
BaseRepresentation
bin111001000010001101…
…1000110001011001100
3102201010220012021212110
41302010123012023030
54001320034424410
6132133352104020
711564121311046
oct1620433061314
9381126167773
10122480779980
1147a42230909
121b8a2695010
13b71c147410
145cdc9d2a96
1532bcb86720
hex1c846c62cc

122480779980 has 96 divisors (see below), whose sum is σ = 374001868800. Its totient is φ = 29767465728.

The previous prime is 122480779963. The next prime is 122480779997. The reversal of 122480779980 is 89977084221.

122480779980 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (122480779963) and next prime (122480779997).

It is a self number, because there is not a number n which added to its sum of digits gives 122480779980.

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, 932220 + ... + 1055459.

It is an arithmetic number, because the mean of its divisors is an integer number (3895852800).

Almost surely, 2122480779980 is an apocalyptic number.

122480779980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122480779980 is an abundant number, since it is smaller than the sum of its proper divisors (251521088820).

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

122480779980 is a wasteful number, since it uses less digits than its factorization.

122480779980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987783 (or 1987781 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 57.

The spelling of 122480779980 in words is "one hundred twenty-two billion, four hundred eighty million, seven hundred seventy-nine thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 79 130 156 158 195 237 260 316 390 395 474 780 790 948 1027 1185 1580 2054 2370 3081 4108 4740 5135 6162 10270 12324 15405 20540 30810 61620 1987679 3975358 5963037 7950716 9938395 11926074 19876790 23852148 25839827 29815185 39753580 51679654 59630370 77519481 103359308 119260740 129199135 155038962 157026641 258398270 310077924 314053282 387597405 471079923 516796540 628106564 775194810 785133205 942159846 1550389620 1570266410 1884319692 2041346333 2355399615 3140532820 4082692666 4710799230 6124038999 8165385332 9421598460 10206731665 12248077998 20413463330 24496155996 30620194995 40826926660 61240389990 122480779980