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315030331420 = 22574154883333
BaseRepresentation
bin1001001010110010100…
…01010110000000011100
31010010011000010222022121
410211121101112000130
520130140231101140
6400420053152324
731521513430510
oct4453121260034
91103130128277
10315030331420
11111670455802
125107b02b6a4
1323926a3773c
14113673c0140
1582dbeb564a
hex495945601c

315030331420 has 48 divisors (see below), whose sum is σ = 774513609408. Its totient is φ = 105375997440.

The previous prime is 315030331403. The next prime is 315030331453. The reversal of 315030331420 is 24133030513.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27435927 + ... + 27447406.

It is an arithmetic number, because the mean of its divisors is an integer number (16135700196).

Almost surely, 2315030331420 is an apocalyptic number.

It is an amenable number.

315030331420 is an abundant number, since it is smaller than the sum of its proper divisors (459483277988).

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

315030331420 is a wasteful number, since it uses less digits than its factorization.

315030331420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54883390 (or 54883388 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 315030331420 its reverse (24133030513), we get a palindrome (339163361933).

The spelling of 315030331420 in words is "three hundred fifteen billion, thirty million, three hundred thirty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 41 70 82 140 164 205 287 410 574 820 1148 1435 2870 5740 54883333 109766666 219533332 274416665 384183331 548833330 768366662 1097666660 1536733324 1920916655 2250216653 3841833310 4500433306 7683666620 9000866612 11251083265 15751516571 22502166530 31503033142 45004333060 63006066284 78757582855 157515165710 315030331420