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312001043230020 = 22355200017387167
BaseRepresentation
bin100011011110000110110011…
…1010110011110110101000100
31111220201000020011001021012110
41012330031213112132311010
5311343311114031330040
63023323144530221020
7122501221464013404
oct10674154726366504
91456630204037173
10312001043230020
119045a9990644a1
122ababa86124770
1310512758c89671
145708d06bb6804
152610ce314e980
hex11bc36759ed44

312001043230020 has 24 divisors (see below), whose sum is σ = 873602921044224. Its totient is φ = 83200278194656.

The previous prime is 312001043230007. The next prime is 312001043230027. The reversal of 312001043230020 is 20032340100213.

It is not an unprimeable number, because it can be changed into a prime (312001043230027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2600008693524 + ... + 2600008693643.

It is an arithmetic number, because the mean of its divisors is an integer number (36400121710176).

Almost surely, 2312001043230020 is an apocalyptic number.

312001043230020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312001043230020 is an abundant number, since it is smaller than the sum of its proper divisors (561601877814204).

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

312001043230020 is a wasteful number, since it uses less digits than its factorization.

312001043230020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5200017387179 (or 5200017387177 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 312001043230020 its reverse (20032340100213), we get a palindrome (332033383330233).

The spelling of 312001043230020 in words is "three hundred twelve trillion, one billion, forty-three million, two hundred thirty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 5200017387167 10400034774334 15600052161501 20800069548668 26000086935835 31200104323002 52000173871670 62400208646004 78000260807505 104000347743340 156000521615010 312001043230020