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1030212121044 = 223535743282053
BaseRepresentation
bin11101111110111010110…
…11010111000111010100
310122111011020212012020010
432333131123113013110
5113334333300333134
62105134541040220
7134300421354411
oct16773533270724
93574136765203
101030212121044
11367a01980677
121477b3b56070
13761c15a0042
1437c10b0b108
151bbe8ce0ce9
hexefdd6d71d4

1030212121044 has 48 divisors (see below), whose sum is σ = 2449618682112. Its totient is φ = 336864857472.

The previous prime is 1030212121021. The next prime is 1030212121049. The reversal of 1030212121044 is 4401212120301.

It is a super-2 number, since 2×10302121210442 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1030212121044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030212121049) 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, 3511522 + ... + 3793574.

It is an arithmetic number, because the mean of its divisors is an integer number (51033722544).

Almost surely, 21030212121044 is an apocalyptic number.

It is an amenable number.

1030212121044 is an abundant number, since it is smaller than the sum of its proper divisors (1419406561068).

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

1030212121044 is a wasteful number, since it uses less digits than its factorization.

1030212121044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287856 (or 287854 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1030212121044 its reverse (4401212120301), we get a palindrome (5431424241345).

The spelling of 1030212121044 in words is "one trillion, thirty billion, two hundred twelve million, one hundred twenty-one thousand, forty-four".

Divisors: 1 2 3 4 6 12 53 106 159 212 318 636 5743 11486 17229 22972 34458 68916 282053 304379 564106 608758 846159 913137 1128212 1217516 1692318 1826274 3384636 3652548 14948809 29897618 44846427 59795236 89692854 179385708 1619830379 3239660758 4859491137 6479321516 9718982274 19437964548 85851010087 171702020174 257553030261 343404040348 515106060522 1030212121044