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1242023232320 = 265131072790311
BaseRepresentation
bin10010000100101110010…
…110101000001101000000
311101201212201211111110022
4102010232112220031000
5130322130421413240
62350324432153012
7155506331166233
oct22045626501500
94351781744408
101242023232320
1143981480a562
12180867098768
139017888a050
14441856bb41a
15224941239b5
hex1212e5a8340

1242023232320 has 112 divisors (see below), whose sum is σ = 3214841228928. Its totient is φ = 454307112960.

The previous prime is 1242023232301. The next prime is 1242023232379. The reversal of 1242023232320 is 232323202421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 1242023232320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 950036 + ... + 1840275.

It is an arithmetic number, because the mean of its divisors is an integer number (28703939544).

Almost surely, 21242023232320 is an apocalyptic number.

1242023232320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242023232320 is an abundant number, since it is smaller than the sum of its proper divisors (1972817996608).

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

1242023232320 is a wasteful number, since it uses less digits than its factorization.

1242023232320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790448 (or 2790438 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 1242023232320 its reverse (232323202421), we get a palindrome (1474346434741).

The spelling of 1242023232320 in words is "one trillion, two hundred forty-two billion, twenty-three million, two hundred thirty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 107 130 160 208 214 260 320 416 428 520 535 832 856 1040 1070 1391 1712 2080 2140 2782 3424 4160 4280 5564 6848 6955 8560 11128 13910 17120 22256 27820 34240 44512 55640 89024 111280 222560 445120 2790311 5580622 11161244 13951555 22322488 27903110 36274043 44644976 55806220 72548086 89289952 111612440 145096172 178579904 181370215 223224880 290192344 298563277 362740430 446449760 580384688 597126554 725480860 892899520 1160769376 1194253108 1450961720 1492816385 2321538752 2388506216 2901923440 2985632770 3881322601 4777012432 5803846880 5971265540 7762645202 9554024864 11607693760 11942531080 15525290404 19108049728 19406613005 23885062160 31050580808 38813226010 47770124320 62101161616 77626452020 95540248640 124202323232 155252904040 248404646464 310505808080 621011616160 1242023232320