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315145252202 = 21153821329207
BaseRepresentation
bin1001001011000000001…
…11101110110101101010
31010010110000101112222212
410211200013232311222
520130404141032302
6400435320245122
731524410305514
oct4454007566552
91103400345885
10315145252202
1111171a308460
12510b16107a2
13239447a37c1
1411378776bb4
1582e7116052
hex49601eed6a

315145252202 has 32 divisors (see below), whose sum is σ = 526063849344. Its totient is φ = 140373438400.

The previous prime is 315145252189. The next prime is 315145252211. The reversal of 315145252202 is 202252541513.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 792683 + ... + 1121889.

It is an arithmetic number, because the mean of its divisors is an integer number (16439495292).

Almost surely, 2315145252202 is an apocalyptic number.

315145252202 is a deficient number, since it is larger than the sum of its proper divisors (210918597142).

315145252202 is a wasteful number, since it uses less digits than its factorization.

315145252202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330094.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 315145252202 its reverse (202252541513), we get a palindrome (517397793715).

The spelling of 315145252202 in words is "three hundred fifteen billion, one hundred forty-five million, two hundred fifty-two thousand, two hundred two".

Divisors: 1 2 11 22 53 106 583 821 1166 1642 9031 18062 43513 87026 329207 478643 658414 957286 3621277 7242554 17447971 34895942 191927681 270278947 383855362 540557894 2973068417 5946136834 14324784191 28649568382 157572626101 315145252202