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2115126345101 = 7111011588917117
BaseRepresentation
bin11110110001110111010…
…110101011110110001101
321111012111210101010210112
4132301313112223312031
5234123234321020401
64255401534045405
7305545542202040
oct36616726536615
97435453333715
102115126345101
11746024753940
122a1b13649865
131245bcb28b73
1474530822c57
153a0451873bb
hex1ec775abd8d

2115126345101 has 32 divisors (see below), whose sum is σ = 2663473155840. Its totient is φ = 1631634048000.

The previous prime is 2115126345097. The next prime is 2115126345133. The reversal of 2115126345101 is 1015436215112.

It is not a de Polignac number, because 2115126345101 - 22 = 2115126345097 is a prime.

It is a super-3 number, since 3×21151263451013 (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115126345151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123560195 + ... + 123577311.

It is an arithmetic number, because the mean of its divisors is an integer number (83233536120).

Almost surely, 22115126345101 is an apocalyptic number.

It is an amenable number.

2115126345101 is a deficient number, since it is larger than the sum of its proper divisors (548346810739).

2115126345101 is a wasteful number, since it uses less digits than its factorization.

2115126345101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33125.

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 2115126345101 in words is "two trillion, one hundred fifteen billion, one hundred twenty-six million, three hundred forty-five thousand, one hundred one".

Divisors: 1 7 11 77 101 707 1111 7777 15889 17117 111223 119819 174779 188287 1223453 1318009 1604789 1728817 11233523 12101719 17652679 19016987 123568753 133118909 271972013 1903804091 2991692143 20941845001 27469173313 192284213191 302160906443 2115126345101