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2190751386 = 233071189333
BaseRepresentation
bin1000001010010100…
…0011011010011010
312122200021200221020
42002211003122122
513441313021021
61001215223310
7105201036165
oct20245033232
95580250836
102190751386
11a24692a3a
12511817b36
1328bb43ac5
1416ad50adc
15cc4e17c6
hex8294369a

2190751386 has 16 divisors (see below), whose sum is σ = 4395778464. Its totient is φ = 727871184.

The previous prime is 2190751373. The next prime is 2190751411. The reversal of 2190751386 is 6831570912.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 592825 + ... + 596508.

It is an arithmetic number, because the mean of its divisors is an integer number (274736154).

Almost surely, 22190751386 is an apocalyptic number.

2190751386 is an abundant number, since it is smaller than the sum of its proper divisors (2205027078).

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

2190751386 is a wasteful number, since it uses less digits than its factorization.

2190751386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189645.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 2190751386 is about 46805.4632067668. The cubic root of 2190751386 is about 1298.7663614611.

The spelling of 2190751386 in words is "two billion, one hundred ninety million, seven hundred fifty-one thousand, three hundred eighty-six".

Divisors: 1 2 3 6 307 614 921 1842 1189333 2378666 3567999 7135998 365125231 730250462 1095375693 2190751386