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120010101010101 = 3231835239909091
BaseRepresentation
bin11011010010011000000111…
…011100001010111010110101
3120201220212001021121111212200
4123102120013130022322311
5111212221141324310401
61103123513532335113
734164305115306201
oct3322300734127265
9521825037544780
10120010101010101
1135269aa83aa645
1211562918014499
1351c6b9a022623
14218c73c7a7b01
15dd1b11317686
hex6d260770aeb5

120010101010101 has 48 divisors (see below), whose sum is σ = 181441974884352. Its totient is φ = 76346763904800.

The previous prime is 120010101010081. The next prime is 120010101010171. The reversal of 120010101010101 is 101010101010021.

It is not a de Polignac number, because 120010101010101 - 25 = 120010101010069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

120010101010101 is a modest number, since divided by 101010101 gives 12001 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120010101010171) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7156566 + ... + 17065656.

It is an arithmetic number, because the mean of its divisors is an integer number (3780041143424).

Almost surely, 2120010101010101 is an apocalyptic number.

It is an amenable number.

120010101010101 is a deficient number, since it is larger than the sum of its proper divisors (61431873874251).

120010101010101 is a wasteful number, since it uses less digits than its factorization.

120010101010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9909734 (or 9909731 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 120010101010101 its reverse (101010101010021), we get a palindrome (221020202020122).

The spelling of 120010101010101 in words is "one hundred twenty trillion, ten billion, one hundred one million, ten thousand, one hundred one".

Divisors: 1 3 9 31 83 93 249 279 523 747 1569 2573 4707 7719 16213 23157 43409 48639 130227 145917 390681 1345679 4037037 9909091 12111111 29727273 89181819 307181821 822454553 921545463 2467363659 2764636389 5182454593 7402090977 15547363779 25496091143 46642091337 76488273429 160656092383 229464820287 430143731219 481968277149 1290431193657 1445904831447 3871293580971 13334455667789 40003367003367 120010101010101