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3989190230890 = 252234021444883
BaseRepresentation
bin111010000011001110010…
…001000100001101101010
3112010100210112012112102021
4322003032101010031222
51010324330144342030
612252335251055054
7561131565326224
oct72031621041552
915110715175367
103989190230890
1112a8895984097
1254516b8a148a
1322c243417957
14db11382b414
156db7be9597a
hex3a0ce44436a

3989190230890 has 32 divisors (see below), whose sum is σ = 7214552142336. Its totient is φ = 1588121968320.

The previous prime is 3989190230827. The next prime is 3989190230897. The reversal of 3989190230890 is 980320919893.

It is not an unprimeable number, because it can be changed into a prime (3989190230897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8744389 + ... + 9189271.

It is an arithmetic number, because the mean of its divisors is an integer number (225454754448).

Almost surely, 23989190230890 is an apocalyptic number.

3989190230890 is a deficient number, since it is larger than the sum of its proper divisors (3225361911446).

3989190230890 is a wasteful number, since it uses less digits than its factorization.

3989190230890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449134.

The product of its (nonzero) digits is 7558272, while the sum is 61.

The spelling of 3989190230890 in words is "three trillion, nine hundred eighty-nine billion, one hundred ninety million, two hundred thirty thousand, eight hundred ninety".

Divisors: 1 2 5 10 223 446 1115 2230 4021 8042 20105 40210 444883 889766 896683 1793366 2224415 4448830 4483415 8966830 99208909 198417818 496044545 992089090 1788874543 3577749086 8944372715 17888745430 398919023089 797838046178 1994595115445 3989190230890