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420550010210 = 251129149884791
BaseRepresentation
bin1100001111010101011…
…10111110010101100010
31111012111212001001102002
412013222232332111202
523342241300311320
6521110434124002
742245423051141
oct6075256762542
91435455031362
10420550010210
11152399576210
1269609420602
1330871c5acb5
14164d753b758
15ae15aaa675
hex61eabbe562

420550010210 has 64 divisors (see below), whose sum is σ = 860017824000. Its totient is φ = 146662790400.

The previous prime is 420550010201. The next prime is 420550010261. The reversal of 420550010210 is 12010055024.

It is a super-2 number, since 2×4205500102102 (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32915 + ... + 917705.

It is an arithmetic number, because the mean of its divisors is an integer number (13437778500).

Almost surely, 2420550010210 is an apocalyptic number.

420550010210 is an abundant number, since it is smaller than the sum of its proper divisors (439467813790).

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

420550010210 is a wasteful number, since it uses less digits than its factorization.

420550010210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884987.

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 420550010210 its reverse (12010055024), we get a palindrome (432560065234).

The spelling of 420550010210 in words is "four hundred twenty billion, five hundred fifty million, ten thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 29 55 58 110 145 149 290 298 319 638 745 1490 1595 1639 3190 3278 4321 8195 8642 16390 21605 43210 47531 95062 237655 475310 884791 1769582 4423955 8847910 9732701 19465402 25658939 48663505 51317878 97327010 128294695 131833859 256589390 263667718 282248329 564496658 659169295 1318338590 1411241645 1450172449 2822483290 2900344898 3823181911 7250862245 7646363822 14501724490 19115909555 38231819110 42055001021 84110002042 210275005105 420550010210