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2213856645676 = 221379538913497
BaseRepresentation
bin100000001101110100001…
…000111001001000101100
321211122100110212001212121
4200031310020321020230
5242232434300130201
64413010503042324
7315642300666664
oct40156410711054
97748313761777
102213856645676
117839893a7a75
122b90881403a4
131309c557c370
1479218dad1a4
153c8c2bb99a1
hex2037423922c

2213856645676 has 24 divisors (see below), whose sum is σ = 4225081824320. Its totient is φ = 1008846064512.

The previous prime is 2213856645659. The next prime is 2213856645683. The reversal of 2213856645676 is 6765466583122.

It is a super-2 number, since 2×22138566456762 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269452641 + ... + 269460856.

Almost surely, 22213856645676 is an apocalyptic number.

2213856645676 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2213856645676 is a deficient number, since it is larger than the sum of its proper divisors (2011225178644).

2213856645676 is a wasteful number, since it uses less digits than its factorization.

2213856645676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538913593 (or 538913591 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 61.

The spelling of 2213856645676 in words is "two trillion, two hundred thirteen billion, eight hundred fifty-six million, six hundred forty-five thousand, six hundred seventy-six".

Divisors: 1 2 4 13 26 52 79 158 316 1027 2054 4108 538913497 1077826994 2155653988 7005875461 14011750922 28023501844 42574166263 85148332526 170296665052 553464161419 1106928322838 2213856645676