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20120003310 = 2351160969707
BaseRepresentation
bin10010101111001111…
…101110001011101110
31220221012100001211210
4102233033232023232
5312201210101220
613124253255250
71311410130531
oct225717561356
956835301753
1020120003310
118595243310
123a96194526
131b88503204
14d8c202a18
157cb5726e0
hex4af3ee2ee

20120003310 has 32 divisors (see below), whose sum is σ = 52677827712. Its totient is φ = 4877576480.

The previous prime is 20120003297. The next prime is 20120003329. The reversal of 20120003310 is 1330002102.

It is a happy number.

It is a super-2 number, since 2×201200033102 (a number of 21 digits) contains 22 as substring.

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, 30484524 + ... + 30485183.

It is an arithmetic number, because the mean of its divisors is an integer number (1646182116).

Almost surely, 220120003310 is an apocalyptic number.

20120003310 is an abundant number, since it is smaller than the sum of its proper divisors (32557824402).

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

20120003310 is a wasteful number, since it uses less digits than its factorization.

20120003310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60969728.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20120003310 its reverse (1330002102), we get a palindrome (21450005412).

The spelling of 20120003310 in words is "twenty billion, one hundred twenty million, three thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 60969707 121939414 182909121 304848535 365818242 609697070 670666777 914545605 1341333554 1829091210 2012000331 3353333885 4024000662 6706667770 10060001655 20120003310