Search a number
-
+
101001210221212 = 22722831820891509
BaseRepresentation
bin10110111101110000101101…
…010000011101001010011100
3111020121121202222222120011121
4112331300231100131022130
5101214300434304034322
6554451152044300324
730163045100460100
oct2675605520351234
9436547688876147
10101001210221212
112a20041108a194
12b3b2864b416a4
1344484b10743c2
141ad26adc89900
15ba24173deec7
hex5bdc2d41d29c

101001210221212 has 36 divisors (see below), whose sum is σ = 206336142347160. Its totient is φ = 43133278041504.

The previous prime is 101001210221209. The next prime is 101001210221221. The reversal of 101001210221212 is 212122012100101.

It is a super-2 number, since 2×1010012102212122 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 910390287 + ... + 910501222.

Almost surely, 2101001210221212 is an apocalyptic number.

It is an amenable number.

101001210221212 is an abundant number, since it is smaller than the sum of its proper divisors (105334932125948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101001210221212 is a wasteful number, since it uses less digits than its factorization.

101001210221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820891810 (or 1820891801 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101001210221212 its reverse (212122012100101), we get a palindrome (313123222321313).

The spelling of 101001210221212 in words is "one hundred one trillion, one billion, two hundred ten million, two hundred twenty-one thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 49 98 196 283 566 1132 1981 3962 7924 13867 27734 55468 1820891509 3641783018 7283566036 12746240563 25492481126 50984962252 89223683941 178447367882 356894735764 515312297047 1030624594094 2061249188188 3607186079329 7214372158658 14428744317316 25250302555303 50500605110606 101001210221212