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315152143400 = 23521575760717
BaseRepresentation
bin1001001011000001000…
…10000001010000101000
31010010110111100122221102
410211200202001100220
520130412422042100
6400440124100532
731524523006463
oct4454042012050
91103414318842
10315152143400
11111723194966
12510b3994748
1323946047333
141137964c2da
1582e7a27cd5
hex4960881428

315152143400 has 24 divisors (see below), whose sum is σ = 732728733870. Its totient is φ = 126060857280.

The previous prime is 315152143399. The next prime is 315152143457. The reversal of 315152143400 is 4341251513.

It can be written as a sum of positive squares in 3 ways, for example, as 298458986596 + 16693156804 = 546314^2 + 129202^2 .

It is a super-2 number, since 2×3151521434002 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 787880159 + ... + 787880558.

Almost surely, 2315152143400 is an apocalyptic number.

It is an amenable number.

315152143400 is an abundant number, since it is smaller than the sum of its proper divisors (417576590470).

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

315152143400 is a wasteful number, since it uses less digits than its factorization.

315152143400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575760733 (or 1575760724 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 315152143400 its reverse (4341251513), we get a palindrome (319493394913).

The spelling of 315152143400 in words is "three hundred fifteen billion, one hundred fifty-two million, one hundred forty-three thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 1575760717 3151521434 6303042868 7878803585 12606085736 15757607170 31515214340 39394017925 63030428680 78788035850 157576071700 315152143400