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168743148340 = 22513837819423
BaseRepresentation
bin1001110100100111100…
…0000001101100110100
3121010120000000002202211
42131021320001230310
510231041221221330
6205304115143204
715122420044414
oct2351170015464
9533500002684
10168743148340
1165622120998
12288538a4b04
1312bb2748990
14824ab88644
1545c932ed2a
hex2749e01b34

168743148340 has 48 divisors (see below), whose sum is σ = 386216990208. Its totient is φ = 61554489984.

The previous prime is 168743148317. The next prime is 168743148373. The reversal of 168743148340 is 43841347861.

It is a super-2 number, since 2×1687431483402 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3888132 + ... + 3931291.

It is an arithmetic number, because the mean of its divisors is an integer number (8046187296).

Almost surely, 2168743148340 is an apocalyptic number.

168743148340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168743148340 is an abundant number, since it is smaller than the sum of its proper divisors (217473841868).

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

168743148340 is a wasteful number, since it uses less digits than its factorization.

168743148340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7819528 (or 7819526 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 168743148340 in words is "one hundred sixty-eight billion, seven hundred forty-three million, one hundred forty-eight thousand, three hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 83 130 166 260 332 415 830 1079 1660 2158 4316 5395 10790 21580 7819423 15638846 31277692 39097115 78194230 101652499 156388460 203304998 406609996 508262495 649012109 1016524990 1298024218 2033049980 2596048436 3245060545 6490121090 8437157417 12980242180 16874314834 33748629668 42185787085 84371574170 168743148340