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2656045530 = 2325196125463
BaseRepresentation
bin1001111001010000…
…0000100111011010
320212002211002111200
42132110000213122
520414421424110
61115320135030
7122551004655
oct23624004732
96762732450
102656045530
1111432a5356
12621607476
13334366c98
141b2a7089c
151082a16c0
hex9e5009da

2656045530 has 96 divisors (see below), whose sum is σ = 7388634240. Its totient is φ = 659975040.

The previous prime is 2656045523. The next prime is 2656045531. The reversal of 2656045530 is 355406562.

It is a happy number.

2656045530 is a `hidden beast` number, since 2 + 6 + 560 + 45 + 53 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (2656045531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91579 + ... + 117041.

It is an arithmetic number, because the mean of its divisors is an integer number (76964940).

Almost surely, 22656045530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2656045530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3694317120).

2656045530 is an abundant number, since it is smaller than the sum of its proper divisors (4732588710).

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

2656045530 is a wasteful number, since it uses less digits than its factorization.

2656045530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25556 (or 25553 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 2656045530 is about 51536.8366316754. The cubic root of 2656045530 is about 1384.8790277811.

The spelling of 2656045530 in words is "two billion, six hundred fifty-six million, forty-five thousand, five hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 19 30 38 45 57 61 90 95 114 122 171 183 190 285 305 342 366 549 570 610 855 915 1098 1159 1710 1830 2318 2745 3477 5490 5795 6954 10431 11590 17385 20862 25463 34770 50926 52155 76389 104310 127315 152778 229167 254630 381945 458334 483797 763890 967594 1145835 1451391 1553243 2291670 2418985 2902782 3106486 4354173 4659729 4837970 7256955 7766215 8708346 9319458 13979187 14513910 15532430 21770865 23298645 27958374 29511617 43541730 46597290 59023234 69895935 88534851 139791870 147558085 177069702 265604553 295116170 442674255 531209106 885348510 1328022765 2656045530