Search a number
-
+
20152424024 = 2319757175141
BaseRepresentation
bin10010110001001011…
…011001011001011000
31221000110100012200222
4102301023121121120
5312233010032044
613131412215212
71312252530545
oct226113313130
957013305628
1020152424024
118601577497
123aa500a508
131b92144c75
14d92641bcc
157ce3288ee
hex4b12d9658

20152424024 has 32 divisors (see below), whose sum is σ = 39827290800. Its totient is φ = 9533220480.

The previous prime is 20152424023. The next prime is 20152424029. The reversal of 20152424024 is 42042425102.

It is a super-2 number, since 2×201524240242 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20152423984 and 20152424002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20152424023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27494 + ... + 202634.

Almost surely, 220152424024 is an apocalyptic number.

It is an amenable number.

20152424024 is a deficient number, since it is larger than the sum of its proper divisors (19674866776).

20152424024 is a wasteful number, since it uses less digits than its factorization.

20152424024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175923 (or 175919 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 20152424024 its reverse (42042425102), we get a palindrome (62194849126).

The spelling of 20152424024 in words is "twenty billion, one hundred fifty-two million, four hundred twenty-four thousand, twenty-four".

Divisors: 1 2 4 8 19 38 76 152 757 1514 3028 6056 14383 28766 57532 115064 175141 350282 700564 1401128 3327679 6655358 13310716 26621432 132581737 265163474 530326948 1060653896 2519053003 5038106006 10076212012 20152424024