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3120200221986 = 232683253798619
BaseRepresentation
bin101101011001111010011…
…011010000010100100010
3102001021210010012012212200
4231121322123100110202
5402110132224100421
610345222235234030
7441266320200051
oct55317233202442
912037703165780
103120200221986
11aa32a6755611
124248708a8916
1319830634b603
14ab038a7c398
155626c099726
hex2d67a6d0522

3120200221986 has 24 divisors (see below), whose sum is σ = 6770331987120. Its totient is φ = 1038543944856.

The previous prime is 3120200221951. The next prime is 3120200222003. The reversal of 3120200221986 is 6891220020213.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3120200221986.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126887016 + ... + 126911603.

It is an arithmetic number, because the mean of its divisors is an integer number (282097166130).

Almost surely, 23120200221986 is an apocalyptic number.

3120200221986 is an abundant number, since it is smaller than the sum of its proper divisors (3650131765134).

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

3120200221986 is a wasteful number, since it uses less digits than its factorization.

3120200221986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253799310 (or 253799307 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 3120200221986 in words is "three trillion, one hundred twenty billion, two hundred million, two hundred twenty-one thousand, nine hundred eighty-six".

Divisors: 1 2 3 6 9 18 683 1366 2049 4098 6147 12294 253798619 507597238 761395857 1522791714 2284187571 4568375142 173344456777 346688913554 520033370331 1040066740662 1560100110993 3120200221986