Search a number
-
+
100111120112001 = 31729237532115641
BaseRepresentation
bin10110110000110011101111…
…110000001001100110000001
3111010110112022002102002110110
4112300303233300021212001
5101110210033222041001
6552530225204221533
730041534611412325
oct2660635760114601
9433415262362413
10100111120112001
1129997984458a89
12b28a25769a8a9
1343b2590715bcb
141aa1592a8b985
15b891bedc23d6
hex5b0cefc09981

100111120112001 has 192 divisors, whose sum is σ = 153920671946496. Its totient is φ = 57611641651200.

The previous prime is 100111120111903. The next prime is 100111120112009. The reversal of 100111120112001 is 100211021111001.

It is not a de Polignac number, because 100111120112001 - 29 = 100111120111489 is a prime.

It is a super-2 number, since 2×1001111201120012 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100111120112009) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 17747049141 + ... + 17747054781.

It is an arithmetic number, because the mean of its divisors is an integer number (801670166388).

Almost surely, 2100111120112001 is an apocalyptic number.

It is an amenable number.

100111120112001 is a deficient number, since it is larger than the sum of its proper divisors (53809551834495).

100111120112001 is a wasteful number, since it uses less digits than its factorization.

100111120112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6020 (or 5991 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 100111120112001 its reverse (100211021111001), we get a palindrome (200322141223002).

The spelling of 100111120112001 in words is "one hundred trillion, one hundred eleven billion, one hundred twenty million, one hundred twelve thousand, one".