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2155032141115 = 571097145338629
BaseRepresentation
bin11111010111000001111…
…011001101110100111011
321122000111220011121201111
4133113001323031310323
5240302001212003430
64330001425501151
7311460463650460
oct37270173156473
97560456147644
102155032141115
11760a4250a047
122a97abaa17b7
131282ac516b09
14764386ab667
153b0cd761c2a
hex1f5c1ecdd3b

2155032141115 has 32 divisors (see below), whose sum is σ = 2960279326080. Its totient is φ = 1475334964224.

The previous prime is 2155032141113. The next prime is 2155032141121. The reversal of 2155032141115 is 5111412305512.

It is a cyclic number.

It is not a de Polignac number, because 2155032141115 - 21 = 2155032141113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2155032141113) 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, 55768621 + ... + 55807249.

It is an arithmetic number, because the mean of its divisors is an integer number (92508728940).

Almost surely, 22155032141115 is an apocalyptic number.

2155032141115 is a deficient number, since it is larger than the sum of its proper divisors (805247184965).

2155032141115 is a wasteful number, since it uses less digits than its factorization.

2155032141115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41191.

The product of its (nonzero) digits is 6000, while the sum is 31.

Adding to 2155032141115 its reverse (5111412305512), we get a palindrome (7266444446627).

The spelling of 2155032141115 in words is "two trillion, one hundred fifty-five billion, thirty-two million, one hundred forty-one thousand, one hundred fifteen".

Divisors: 1 5 7 35 1097 1453 5485 7265 7679 10171 38395 38629 50855 193145 270403 1352015 1593941 7969705 11157587 42376013 55787935 56127937 211880065 280639685 296632091 392895559 1483160455 1964477795 61572346889 307861734445 431006428223 2155032141115