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214744568956 = 22173158008367
BaseRepresentation
bin1100011111111111000…
…1100001010001111100
3202112021220210101122221
43013333301201101330
512004244102201311
6242352521215124
721341366501341
oct3077761412174
9675256711587
10214744568956
1183088790085
12357516314a4
1317333c737a8
14a5724147c8
1558bcb30671
hex31ffc6147c

214744568956 has 12 divisors (see below), whose sum is σ = 397909054368. Its totient is φ = 101056267712.

The previous prime is 214744568923. The next prime is 214744568971. The reversal of 214744568956 is 659865447412.

It is a super-3 number, since 3×2147445689563 (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 214744568894 and 214744568903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1579004116 + ... + 1579004251.

It is an arithmetic number, because the mean of its divisors is an integer number (33159087864).

Almost surely, 2214744568956 is an apocalyptic number.

It is an amenable number.

214744568956 is a deficient number, since it is larger than the sum of its proper divisors (183164485412).

214744568956 is a wasteful number, since it uses less digits than its factorization.

214744568956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158008388 (or 3158008386 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 61.

The spelling of 214744568956 in words is "two hundred fourteen billion, seven hundred forty-four million, five hundred sixty-eight thousand, nine hundred fifty-six".

Divisors: 1 2 4 17 34 68 3158008367 6316016734 12632033468 53686142239 107372284478 214744568956