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315201201852450 = 235215661134176703
BaseRepresentation
bin100011110101011000111111…
…1101010110101000000100010
31112100000221101201002002012210
41013222301333222311000202
5312303224030133234300
63034213233315502550
7123251351422335534
oct10752617752650042
91470027351062183
10315201201852450
1191484096192791
122b4281308b7a56
13106b5465936154
1457b9b68c81854
15266918ebec050
hex11eac7fab5022

315201201852450 has 48 divisors (see below), whose sum is σ = 781748900153856. Its totient is φ = 84048286132800.

The previous prime is 315201201852391. The next prime is 315201201852463. The reversal of 315201201852450 is 54258102102513.

It is a junction number, because it is equal to n+sod(n) for n = 315201201852399 and 315201201852408.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64739202 + ... + 69437501.

It is an arithmetic number, because the mean of its divisors is an integer number (16286435419872).

Almost surely, 2315201201852450 is an apocalyptic number.

315201201852450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

315201201852450 is an abundant number, since it is smaller than the sum of its proper divisors (466547698301406).

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

315201201852450 is a wasteful number, since it uses less digits than its factorization.

315201201852450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134192379 (or 134192374 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 39.

Adding to 315201201852450 its reverse (54258102102513), we get a palindrome (369459303954963).

The spelling of 315201201852450 in words is "three hundred fifteen trillion, two hundred one billion, two hundred one million, eight hundred fifty-two thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 15661 31322 46983 78305 93966 156610 234915 391525 469830 783050 1174575 2349150 134176703 268353406 402530109 670883515 805060218 1341767030 2012650545 3354417575 4025301090 6708835150 10063252725 20126505450 2101341345683 4202682691366 6304024037049 10506706728415 12608048074098 21013413456830 31520120185245 52533533642075 63040240370490 105067067284150 157600600926225 315201201852450