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3012011212021 = 73782914028211
BaseRepresentation
bin101011110101001001110…
…110111011110011110101
3101122221112020111001210121
4223311021312323303311
5343322044332241041
610223410541251541
7430416305605660
oct53651166736365
911587466431717
103012011212021
11a61428896089
124078b8563bb1
1318b0540bbb56
14a5ad41d26d7
1553538e7b7d1
hex2bd49dbbcf5

3012011212021 has 16 divisors (see below), whose sum is σ = 3539598451840. Its totient is φ = 2508917302080.

The previous prime is 3012011212009. The next prime is 3012011212069. The reversal of 3012011212021 is 1202121102103.

It is not a de Polignac number, because 3012011212021 - 225 = 3011977657589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3012011211986 and 3012011212004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3012011215021) 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, 6799395 + ... + 7228816.

It is an arithmetic number, because the mean of its divisors is an integer number (221224903240).

Almost surely, 23012011212021 is an apocalyptic number.

It is an amenable number.

3012011212021 is a deficient number, since it is larger than the sum of its proper divisors (527587239819).

3012011212021 is a wasteful number, since it uses less digits than its factorization.

3012011212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14029084.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 3012011212021 its reverse (1202121102103), we get a palindrome (4214132314124).

The spelling of 3012011212021 in words is "three trillion, twelve billion, eleven million, two hundred twelve thousand, twenty-one".

Divisors: 1 7 37 259 829 5803 30673 214711 14028211 98197477 519043807 3633306649 11629386919 81405708433 430287316003 3012011212021