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100223322144 = 25311211144959
BaseRepresentation
bin101110101010111000…
…1101000100000100000
3100120200201212021122020
41131111301220200200
53120224132302034
6114013021341440
710145425116321
oct1352561504040
9316621767566
10100223322144
11395604a8360
1217510707880
1395b2b7131a
144bca994448
152918b4e249
hex1755c68820

100223322144 has 96 divisors (see below), whose sum is σ = 287145492480. Its totient is φ = 30355641600.

The previous prime is 100223322139. The next prime is 100223322179. The reversal of 100223322144 is 441223322001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 2206737 + ... + 2251695.

It is an arithmetic number, because the mean of its divisors is an integer number (2991098880).

Almost surely, 2100223322144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100223322144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143572746240).

100223322144 is an abundant number, since it is smaller than the sum of its proper divisors (186922170336).

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

100223322144 is a wasteful number, since it uses less digits than its factorization.

100223322144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47094 (or 47086 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 100223322144 its reverse (441223322001), we get a palindrome (541446644145).

The spelling of 100223322144 in words is "one hundred billion, two hundred twenty-three million, three hundred twenty-two thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 66 88 96 132 176 264 352 528 1056 2111 4222 6333 8444 12666 16888 23221 25332 33776 44959 46442 50664 67552 69663 89918 92884 101328 134877 139326 179836 185768 202656 269754 278652 359672 371536 494549 539508 557304 719344 743072 989098 1079016 1114608 1438688 1483647 1978196 2158032 2229216 2967294 3956392 4316064 5934588 7912784 11869176 15825568 23738352 47476704 94908449 189816898 284725347 379633796 569450694 759267592 1043992939 1138901388 1518535184 2087985878 2277802776 3037070368 3131978817 4175971756 4555605552 6263957634 8351943512 9111211104 12527915268 16703887024 25055830536 33407774048 50111661072 100223322144