Search a number
-
+
20251025520224 = 252843222597449
BaseRepresentation
bin1001001101011000011110…
…01011101011011001100000
32122200222102210021012001112
410212230033023223121200
510123243100013121344
6111023105342122452
74160042201522342
oct446541713533140
978628383235045
1020251025520224
1164a8458a65864
12233094b580428
13b3b881976a15
14500224d41292
15251b97c22c9e
hex126b0f2eb660

20251025520224 has 24 divisors (see below), whose sum is σ = 39883230311400. Its totient is φ = 10121951155456.

The previous prime is 20251025520211. The next prime is 20251025520239. The reversal of 20251025520224 is 42202552015202.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111207749 + ... + 111389700.

It is an arithmetic number, because the mean of its divisors is an integer number (1661801262975).

Almost surely, 220251025520224 is an apocalyptic number.

It is an amenable number.

20251025520224 is a deficient number, since it is larger than the sum of its proper divisors (19632204791176).

20251025520224 is a wasteful number, since it uses less digits than its factorization.

20251025520224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222600302 (or 222600294 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 20251025520224 its reverse (42202552015202), we get a palindrome (62453577535426).

The spelling of 20251025520224 in words is "twenty trillion, two hundred fifty-one billion, twenty-five million, five hundred twenty thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 32 2843 5686 11372 22744 45488 90976 222597449 445194898 890389796 1780779592 3561559184 7123118368 632844547507 1265689095014 2531378190028 5062756380056 10125512760112 20251025520224