Search a number
-
+
1020204512152 = 23722602562531
BaseRepresentation
bin11101101100010001110…
…11010111001110011000
310121112022210202222122221
432312020323113032120
5113203334323342102
62100401523153424
7133464422162200
oct16661073271630
93545283688587
101020204512152
11363736939a21
12145880515874
137528814a487
1437541967400
151b81042d637
hexed88ed7398

1020204512152 has 24 divisors (see below), whose sum is σ = 2225190964860. Its totient is φ = 437230505040.

The previous prime is 1020204512149. The next prime is 1020204512153. The reversal of 1020204512152 is 2512154020201.

It is a super-2 number, since 2×10202045121522 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020204512153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1301280874 + ... + 1301281657.

Almost surely, 21020204512152 is an apocalyptic number.

It is an amenable number.

1020204512152 is an abundant number, since it is smaller than the sum of its proper divisors (1204986452708).

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

1020204512152 is a wasteful number, since it uses less digits than its factorization.

1020204512152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602562551 (or 2602562540 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 1020204512152 its reverse (2512154020201), we get a palindrome (3532358532353).

The spelling of 1020204512152 in words is "one trillion, twenty billion, two hundred four million, five hundred twelve thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 2602562531 5205125062 10410250124 18217937717 20820500248 36435875434 72871750868 127525564019 145743501736 255051128038 510102256076 1020204512152