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100110211988 = 2225027552997
BaseRepresentation
bin101110100111100001…
…0001001101110010100
3100120101212000200200012
41131033002021232110
53120011203240423
6113553501135352
710142552522153
oct1351702115624
9316355020605
10100110211988
1139502671a96
121749a85a558
1395955ba437
144bb994d59a
15290dc5a078
hex174f089b94

100110211988 has 6 divisors (see below), whose sum is σ = 175192870986. Its totient is φ = 50055105992.

The previous prime is 100110211973. The next prime is 100110212009. The reversal of 100110211988 is 889112011001.

It can be written as a sum of positive squares in only one way, i.e., 60869771524 + 39240440464 = 246718^2 + 198092^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12513776495 + ... + 12513776502.

It is an arithmetic number, because the mean of its divisors is an integer number (29198811831).

Almost surely, 2100110211988 is an apocalyptic number.

It is an amenable number.

100110211988 is a deficient number, since it is larger than the sum of its proper divisors (75082658998).

100110211988 is a wasteful number, since it uses less digits than its factorization.

100110211988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25027553001 (or 25027552999 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 32.

Adding to 100110211988 its reverse (889112011001), we get a palindrome (989222222989).

The spelling of 100110211988 in words is "one hundred billion, one hundred ten million, two hundred eleven thousand, nine hundred eighty-eight".

Divisors: 1 2 4 25027552997 50055105994 100110211988