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40030152552 = 233213217296673
BaseRepresentation
bin100101010001111110…
…111010011101101000
310211022202210110000200
4211101332322131220
51123440204340202
630220053032200
72614661453055
oct452176723550
9124282713020
1040030152552
1115a81a83105
127912025660
133a0c3abb00
141d1a5ba02c
151094490e1c
hex951fba768

40030152552 has 288 divisors, whose sum is σ = 128607312600. Its totient is φ = 11191025664.

The previous prime is 40030152529. The next prime is 40030152557. The reversal of 40030152552 is 25525103004.

It is a happy number.

40030152552 is a `hidden beast` number, since 400 + 3 + 0 + 1 + 5 + 255 + 2 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 728676036 + 39301476516 = 26994^2 + 198246^2 .

It is a super-2 number, since 2×400301525522 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40030152557) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5995488 + ... + 6002160.

Almost surely, 240030152552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40030152552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64303656300).

40030152552 is an abundant number, since it is smaller than the sum of its proper divisors (88577160048).

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

40030152552 is a wasteful number, since it uses less digits than its factorization.

40030152552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6757 (or 6737 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 40030152552 its reverse (25525103004), we get a palindrome (65555255556).

The spelling of 40030152552 in words is "forty billion, thirty million, one hundred fifty-two thousand, five hundred fifty-two".