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138108083288763 = 3717508176138039
BaseRepresentation
bin11111011001101111001011…
…001111101011101010111011
3200010000000002210011122111010
4133121233023033223222323
5121100230323310220023
61205421551054005003
741042660023421040
oct3731571317535273
9603000083148433
10138108083288763
1140007344600aa5
12135a63317a6763
135c0a6c8541183
1426166772471c7
1510e77951e7093
hex7d9bcb3ebabb

138108083288763 has 32 divisors (see below), whose sum is σ = 222873707105280. Its totient is φ = 74261996743680.

The previous prime is 138108083288761. The next prime is 138108083288803. The reversal of 138108083288763 is 367882380801831.

It is not a de Polignac number, because 138108083288763 - 21 = 138108083288761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138108083288694 and 138108083288703.

It is not an unprimeable number, because it can be changed into a prime (138108083288761) 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, 36255103 + ... + 39882936.

It is an arithmetic number, because the mean of its divisors is an integer number (6964803347040).

Almost surely, 2138108083288763 is an apocalyptic number.

138108083288763 is a deficient number, since it is larger than the sum of its proper divisors (84765623816517).

138108083288763 is a wasteful number, since it uses less digits than its factorization.

138108083288763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76143147.

The product of its (nonzero) digits is 74317824, while the sum is 66.

The spelling of 138108083288763 in words is "one hundred thirty-eight trillion, one hundred eight billion, eighty-three million, two hundred eighty-eight thousand, seven hundred sixty-three".

Divisors: 1 3 7 17 21 51 119 357 5081 15243 35567 86377 106701 259131 604639 1813917 76138039 228414117 532966273 1294346663 1598898819 3883039989 9060426641 27181279923 386857376159 1160572128477 2708001633113 6576575394703 8124004899339 19729726184109 46036027762921 138108083288763