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100223032515840 = 28325132128939937
BaseRepresentation
bin10110110010011011111110…
…010000000101110100000000
3111010212020011110100020201100
4112302123332100011310000
5101114023232311001330
6553053454151334400
730052606114223223
oct2662337620056400
9433766143306640
10100223032515840
1129a30393056433
12b2a7a8a981400
1343bccb719a400
141aa6b6bc475ba
15b8c06ed28060
hex5b26fe405d00

100223032515840 has 648 divisors, whose sum is σ = 375787747160280. Its totient is φ = 24650528587776.

The previous prime is 100223032515829. The next prime is 100223032515841. The reversal of 100223032515840 is 48515230322001.

100223032515840 is a `hidden beast` number, since 1 + 0 + 0 + 2 + 2 + 30 + 32 + 515 + 84 + 0 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 22196762286336 + 78026270229504 = 4711344^2 + 8833248^2 .

It is a super-2 number, since 2×1002230325158402 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 100223032515795 and 100223032515804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100223032515841) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2509508352 + ... + 2509548288.

Almost surely, 2100223032515840 is an apocalyptic number.

100223032515840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100223032515840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187893873580140).

100223032515840 is an abundant number, since it is smaller than the sum of its proper divisors (275564714644440).

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

100223032515840 is a wasteful number, since it uses less digits than its factorization.

100223032515840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41279 (or 41249 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 100223032515840 its reverse (48515230322001), we get a palindrome (148738262837841).

The spelling of 100223032515840 in words is "one hundred trillion, two hundred twenty-three billion, thirty-two million, five hundred fifteen thousand, eight hundred forty".