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2271314860920 = 23325723315472311
BaseRepresentation
bin100001000011010100111…
…010100101101101111000
322001010122211121211102200
4201003110322211231320
5244203123101022140
64455232212030200
7323045204525340
oct41032472455570
98033584554380
102271314860920
117a6294031576
12308242902360
1313625153a0b1
147bd0a055d20
153e1371db030
hex210d4ea5b78

2271314860920 has 768 divisors, whose sum is σ = 9107631636480. Its totient is φ = 479480601600.

The previous prime is 2271314860799. The next prime is 2271314860939. The reversal of 2271314860920 is 290684131722.

2271314860920 is a `hidden beast` number, since 2 + 2 + 7 + 1 + 3 + 14 + 8 + 609 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 982826565 + ... + 982828875.

It is an arithmetic number, because the mean of its divisors is an integer number (11858895360).

Almost surely, 22271314860920 is an apocalyptic number.

2271314860920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2271314860920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4553815818240).

2271314860920 is an abundant number, since it is smaller than the sum of its proper divisors (6836316775560).

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

2271314860920 is a wasteful number, since it uses less digits than its factorization.

2271314860920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936 (or 2929 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 2271314860920 in words is "two trillion, two hundred seventy-one billion, three hundred fourteen million, eight hundred sixty thousand, nine hundred twenty".