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83611138916669 = 7131545915943449
BaseRepresentation
bin10011000000101100111100…
…001111000000000100111101
3101222001010222000210221122112
4103000230330033000010331
541424341103030313134
6453454232120023405
723416463652344240
oct2300547417000475
9358033860727575
1083611138916669
11247063151a9371
129464495301b65
13378665bc65170
141690b2d243257
1599edb6d7a1ce
hex4c0b3c3c013d

83611138916669 has 16 divisors (see below), whose sum is σ = 102906700108800. Its totient is φ = 66153429095040.

The previous prime is 83611138916653. The next prime is 83611138916737. The reversal of 83611138916669 is 96661983111638.

It is not a de Polignac number, because 83611138916669 - 24 = 83611138916653 is a prime.

It is a super-2 number, since 2×836111389166692 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83611138916599 and 83611138916608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83611138916369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11096057 + ... + 17039505.

It is an arithmetic number, because the mean of its divisors is an integer number (6431668756800).

Almost surely, 283611138916669 is an apocalyptic number.

It is an amenable number.

83611138916669 is a deficient number, since it is larger than the sum of its proper divisors (19295561192131).

83611138916669 is a wasteful number, since it uses less digits than its factorization.

83611138916669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6098060.

The product of its digits is 60466176, while the sum is 68.

The spelling of 83611138916669 in words is "eighty-three trillion, six hundred eleven billion, one hundred thirty-eight million, nine hundred sixteen thousand, six hundred sixty-nine".

Divisors: 1 7 13 91 154591 1082137 2009683 5943449 14067781 41604143 77264837 540853859 918803724359 6431626070513 11944448416667 83611138916669