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1100100010980 = 223523797173921
BaseRepresentation
bin10000000000100011000…
…100100000001111100100
310220011112212020212000010
4100000203010200033210
5121011001100322410
62201213505050220
7142323334543515
oct20004304401744
93804485225003
101100100010980
1139460585a7a3
12159259326970
137c97b723a79
143b36089ca0c
151d939658c20
hex100231203e4

1100100010980 has 48 divisors (see below), whose sum is σ = 3214205253504. Its totient is φ = 280605219840.

The previous prime is 1100100010979. The next prime is 1100100011119. The reversal of 1100100010980 is 890100010011.

It is a super-2 number, since 2×11001000109802 (a number of 25 digits) contains 22 as substring.

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, 398585581 + ... + 398588340.

It is an arithmetic number, because the mean of its divisors is an integer number (66962609448).

Almost surely, 21100100010980 is an apocalyptic number.

1100100010980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100100010980 is an abundant number, since it is smaller than the sum of its proper divisors (2114105242524).

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

1100100010980 is a wasteful number, since it uses less digits than its factorization.

1100100010980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797173956 (or 797173954 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 21.

Adding to 1100100010980 its reverse (890100010011), we get a palindrome (1990200020991).

The spelling of 1100100010980 in words is "one trillion, one hundred billion, one hundred million, ten thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 690 1380 797173921 1594347842 2391521763 3188695684 3985869605 4783043526 7971739210 9566087052 11957608815 15943478420 18335000183 23915217630 36670000366 47830435260 55005000549 73340000732 91675000915 110010001098 183350001830 220020002196 275025002745 366700003660 550050005490 1100100010980