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2231493168 = 243172734673
BaseRepresentation
bin1000010100000001…
…1110001000110000
312202111221121011010
42011000132020300
514032230240133
61005232350520
7106204243662
oct20500361060
95674847133
102231493168
11a4568a933
125233a5440
1329740a178
14172518532
15d0d8d263
hex8501e230

2231493168 has 40 divisors (see below), whose sum is σ = 6103792368. Its totient is φ = 700076032.

The previous prime is 2231493163. The next prime is 2231493179. The reversal of 2231493168 is 8613941322.

It is a super-3 number, since 3×22314931683 (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231493163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1366521 + ... + 1368152.

Almost surely, 22231493168 is an apocalyptic number.

It is an amenable number.

2231493168 is an abundant number, since it is smaller than the sum of its proper divisors (3872299200).

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

2231493168 is a wasteful number, since it uses less digits than its factorization.

2231493168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734701 (or 2734695 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 2231493168 is about 47238.6829621657. The cubic root of 2231493168 is about 1306.7680888696.

The spelling of 2231493168 in words is "two billion, two hundred thirty-one million, four hundred ninety-three thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 68 102 136 204 272 408 816 2734673 5469346 8204019 10938692 16408038 21877384 32816076 43754768 46489441 65632152 92978882 131264304 139468323 185957764 278936646 371915528 557873292 743831056 1115746584 2231493168