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101111111004 = 22317229155453
BaseRepresentation
bin101111000101010110…
…0010001110101011100
3100122222121101122000010
41132022230101311130
53124033421023004
6114241054003220
710206425156121
oct1361254216534
9318877348003
10101111111004
113997664a262
1217719aa6510
1396c4a80887
144c72852748
15296ba67a89
hex178ab11d5c

101111111004 has 36 divisors (see below), whose sum is σ = 250620282584. Its totient is φ = 31721131776.

The previous prime is 101111110981. The next prime is 101111111027. The reversal of 101111111004 is 400111111101.

101111111004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (101111110981) and next prime (101111111027).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14574259 + ... + 14581194.

Almost surely, 2101111111004 is an apocalyptic number.

It is an amenable number.

101111111004 is an abundant number, since it is smaller than the sum of its proper divisors (149509171580).

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

101111111004 is a wasteful number, since it uses less digits than its factorization.

101111111004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29155494 (or 29155475 counting only the distinct ones).

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

Adding to 101111111004 its reverse (400111111101), we get a palindrome (501222222105).

The spelling of 101111111004 in words is "one hundred one billion, one hundred eleven million, one hundred eleven thousand, four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 289 578 867 1156 1734 3468 29155453 58310906 87466359 116621812 174932718 349865436 495642701 991285402 1486928103 1982570804 2973856206 5947712412 8425925917 16851851834 25277777751 33703703668 50555555502 101111111004