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210424550520 = 23351889928289
BaseRepresentation
bin1100001111111001000…
…1111101010001111000
3202010010211220201110010
43003332101331101320
511421422141104040
6240400120221520
721126342111402
oct3037621752170
9663124821403
10210424550520
118127119a308
123494690a8a0
1316ac5c65672
14a282799b72
155718744e80
hex30fe47d478

210424550520 has 64 divisors (see below), whose sum is σ = 631608516000. Its totient is φ = 56083447808.

The previous prime is 210424550519. The next prime is 210424550527. The reversal of 210424550520 is 25055424012.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210424550527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237465 + ... + 690824.

Almost surely, 2210424550520 is an apocalyptic number.

210424550520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210424550520 is an abundant number, since it is smaller than the sum of its proper divisors (421183965480).

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

210424550520 is a wasteful number, since it uses less digits than its factorization.

210424550520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930192 (or 930188 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 210424550520 its reverse (25055424012), we get a palindrome (235479974532).

The spelling of 210424550520 in words is "two hundred ten billion, four hundred twenty-four million, five hundred fifty thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1889 3778 5667 7556 9445 11334 15112 18890 22668 28335 37780 45336 56670 75560 113340 226680 928289 1856578 2784867 3713156 4641445 5569734 7426312 9282890 11139468 13924335 18565780 22278936 27848670 37131560 55697340 111394680 1753537921 3507075842 5260613763 7014151684 8767689605 10521227526 14028303368 17535379210 21042455052 26303068815 35070758420 42084910104 52606137630 70141516840 105212275260 210424550520