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20132420310 = 2325297713571
BaseRepresentation
bin10010101111111111…
…000101101011010110
31220222001200220202200
4102233333011223112
5312212344422220
613125415345330
71311620514642
oct225777055326
956861626680
1020132420310
1185a12543a2
123a9a382246
131b8ac5cc52
14d8db15c22
157cc6c6890
hex4affc5ad6

20132420310 has 48 divisors (see below), whose sum is σ = 54149275440. Its totient is φ = 5183519040.

The previous prime is 20132420291. The next prime is 20132420333. The reversal of 20132420310 is 1302423102.

20132420310 is a `hidden beast` number, since 201 + 32 + 420 + 3 + 10 = 666.

It is a super-2 number, since 2×201324203102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 3854176 + ... + 3859395.

It is an arithmetic number, because the mean of its divisors is an integer number (1128109905).

Almost surely, 220132420310 is an apocalyptic number.

20132420310 is an abundant number, since it is smaller than the sum of its proper divisors (34016855130).

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

20132420310 is a wasteful number, since it uses less digits than its factorization.

20132420310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7713613 (or 7713610 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20132420310 its reverse (1302423102), we get a palindrome (21434843412).

The spelling of 20132420310 in words is "twenty billion, one hundred thirty-two million, four hundred twenty thousand, three hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 29 30 45 58 87 90 145 174 261 290 435 522 870 1305 2610 7713571 15427142 23140713 38567855 46281426 69422139 77135710 115703565 138844278 223693559 231407130 347110695 447387118 671080677 694221390 1118467795 1342161354 2013242031 2236935590 3355403385 4026484062 6710806770 10066210155 20132420310